20170419GPW to Staff 1-27.pdf

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ldaho Public Utilities Commission : :
PO Box 83720 ;;
Boise,lD 83720-0074 :':,
Case No. GPW-W-17{1 . :
Regording: First Production Request of the Commission Staff to Grouse Point Woter ComporlfDoted*
Aprit5,2077 i: r\-l
On behalf of Grouse Point Water Company, LLC, Mountain Watenrorks respectfully submits this
Production Request Response to the ldaho Public Utilities Commission for review.
1. Production Request No. 1
Please list all instances in which the fire pump was activated over the period 2012 through 2016.
Please include the reason for activation, duration of the activation, and the quantity pumped.
Response: ln 2013, the Ditch Company shut down the irrigation woter in August of that yeor, so
irrigotion demands coused the fire pump to run. Where required, the system operator is notified
thot the fire pump activated with o phone coll from the auto dioler. A red light on the control
ponel is then deoctivated manuolly on-site. The operotor does not track the woter produced from
the well ot this time but coptures production on o monthly basis. Therefore, the octivity, duration
ond quality ore not currently tracked.
2. Production Request No.2
Please list all instances in which the ldaho Department of Environmental Quality was notified that
the fire pump was activated.
Response: The fire pump run events ore not communicoted with IDEQ os they are under the 60
days per year emergency requirement.
3. Production Request No.3
Supplemental Schedule #3 states that the fire pump pressure settings are OpsilTOpsi, and that
the potable water pump uses a VFD set at 60 psi. During its March 20th site visit, Staff observed
that the fire pump is controlled using a Variable Frequency Drive (VFD). Please answer the
following questions:
a. Under what circumstances will the fire pump be running, and under what circumstances
will it be completely off?
Response: The fire pump will only run when system pressure is below 30 psi. The fire pump will
turn off when system pressures ore above 62 psi where the domestic pump will mointoin a 65 psi
set point pressure. ln general, system demands obove 150-175 gpm will octivote the fire pump.
b. What are the VFD set points for the fire pump?
Response: On-30 psi, Off-62 psi, Mointoin 55 psi
c. Given its use of a VFD, how is the fire pump turned-off?
Response: The fire pump is controlled by o mercury pressure switch, offsetting is 55 psi.
d. What is the rationale for using a VFD with the fire pump?
Response: The fire pump is a high copocity pump. The VFD will ollow the pump/motor to saft
start ond stop, ond maintain o constont pressure ot varioble system demands.
Boise I Coeur d'Alene I Lewiston I McCall
208.780.3990 - [e-mail]
www.mountainwtr.com
i ii
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trfiountalnIJATBf,WOBIIS
4. Production Request No.4
How does the Company assure that the fire pump is only operated during water emergencies as
defined by the ldaho Department of Water Resources and the ldaho Department of
Environmental Quality?
Response: The domestic pump can produce 750-175 gpm ot system pressure. The pump wos sized
to meet system demands of 6.25 gpm per customer or 9,000 gollons per doy. Under peak domestic
demands the primary pump will meet all system demonds. System demands above 150 gpm
should be o result of o fire flow event, lorge system leak or foilure of the domestic pump.
5. Production Request No.5
How does the Company assure that total flow from its pumps does not exceed the 0.47 cfs limit
established by the ldaho Department of Water Resources?
Response: The water right of 0.47 cfs equotes to opproximotely 210 gpm, which is significantly
more thon the domestic pump con produce (150 gpm). ln the event of o fire flow, IDWR does limit
production to the 0.47 cfs. (See response to Production Request No. 4).
5. Production Request No.5
What are the potable water pump high and low pressure settings? Under what circumstances will
this pump be running, and under what circumstances should it be completely off?
Response: The set point pressure for the VFD to maintain is 65 psi. The VFD will turn off once the
pump hos reached a speed where no woter is being produced for o set time period 30-60 seconds
estimated (sleep mode). Once the pressure has dropped to opproximately 55 psi the VFD will start
and romp up to the 65 psi set point pressure. The pump will turn off when there is no demand in
the system and will run when there is system demand that the pressure tank cannot supply at
pressure below 55 psi.
7. Production Request No.7
Please provide the make, model, power rating, and pump curves for all well pumps and motors
operated by the Company.
Response: Pleose refer to lnformal Responses-Mountain Waterworks on Behalf of Grouse Point
Water Compony (Submitted to the IPUC on 4-6-2017)-Exhibit D-Pump House for the make, model,
power roting ond pump curves informotion.
8. Production Request No.8
What is the power consumed by the potable water pump when used to maintain system pressure
(no water flow)?
Response: The domestic pump will turn off when the PWS is not calling for water. When the pump
is not producing woter there is o short time period thot the pump will not be doing any work prior
to going into sleep mode. Under this scenario, a fan in the VFD will be running dnd the motor will
be spinning but will run on very low amps.
Boise I Coeur d'Alene I Lewiston I IUcCall
208.780.3990 - [e-mail]
www.mountainwtr.com
2
MountalnIllAT B NIJO B I( S
9. Production Request No.9
Please answer the following questions regarding the pressure tank:
Response: For oll responses to Request No.9, please review Exhibit A-Pressure Tonk Cut Sheet
a. What is the manufacturer, make, and model? Response: WM-jSWB
b. ls it currently being used by the system? Response: Response: Yes
c. What is its capacity? Response: 120 gallons
d. What is its drawdown between the system high and low pressure settings? Response: 55-65 psi,
a pproxi motely 20 ga llons.
e. When was tank pressure last inspected, and what is its pressure when empty? Response: The
tonk pressure was lost tested during the 2073 pump replocement. The pressure tonk hos on oir
valve thot is set to o pressure of opproximately the set point pressure of 65 psi.
10. Production Request No.10
Please provide a list of all Company-owned equipment that consume electrical power for water
service. For each piece of equipment, provide its power rating and the number of hours that it
operates each year.
Response: lt is not common to instoll hour meters on eoch piece of electrical equipment thot is
needed to operate this facility. Therefore, we will be unable to provide the run time informotion.
Please refer to Exhibit B-Electrical Equipment.
11. Production Request No.11
Please list all chemical and biologicaltests that are required by the ldaho Department of
Environmental Quality for each well.
Response: Well No. 2 is required to test for nitrate and totol coliform. Well No.j is required to test
for oll primory drinking woter contominonts, os listed in the attoched Exhibit C- EPA Primory
Drinking Woter Contaminonts.
12. Production Request No.12
Please list all well tests performed on each pump for the period 2012 through 2016.
Response: Once the wells were test pumped during construction no additionol aquifer tests were
compIeted from 2012-20L6.
13. Production Request No.13
Please provide the manufacturer's recommended periodic maintenance schedule for both pumps.
Response: Since both octive well pumps and motors ore submersible ond severol hundred feet
below ground, no onnuol mointenonce can be completed.
14. Production Request No.14
Has the old potable water well been deactivated? lf so, please state how it has been isolated from
the system.
Response: The well has simply been disconnected electrically. lf the well were to be octivated
agoin, additional drive, controls and electrical modifications would be required to use this well.
Boise I Coeur d'Alene I Lewiston I McCall
208.780.3990 - offi [e-mail]
www.mountainwtr.com
3
MountalnWATBBWOBTS
15. Production Request No.15
Has water from the fire well been tested for uranium? lf so, when was the last test performed and
what were the results?
Response: Well No. 2 was sampled for uronium by United Water in 2004, with Analytical
Laborotory sompling results of 66 micro groms per liter (ug/) of uranium-totdl. Refer to Exhibit D-
Sompling Results.
15. Production Request No.16
Supplemental Schedule 3 states that the potable water wellconsumes L2,777 kWh per year, and
that the fire well consumes 2,200 kwh per year. Billing information from ldaho Power indicates
that the Company annually consumes between 48,000 kWh and 56,000 kWh per year. Please
explain the discrepancy.
Response: This schedule hos been updoted. The production from Well No. 2 (fire) hos been
estimated due to inoccurocies of the flow meter ond the fact that this meter also is a common
meter with WellNo. i
17. Production Request No.17
Supplemental Schedule 3 states that the fire pump consumed 2,200 kwh, but only produced
20,000 gallons. Please explain why so much energy was consumed pumping 20,000 gallons of
water.
Response: As there is only o single power meter for the Well Focility, individual power usage for
eoch pump can only be estimated. Schedule 3 hos been revised to include on estimote of power
utilization for Well No. 2. Since well production meters are inoccurate ond the large meter is
common to both wells, 200,000 gollons per yeor hos been estimoted for Well No. 2 production has
been estimated ot 200,000 gallons per yeor. This would equote to 3.3 hours of run time at 7,000
gpm. Power utilization is estimated ot 185 kWh.
18. Production Request No.18
How is hydrogen peroxide metered into the system? How is the concentration of hydrogen
peroxide computed if there are no functioning master meters at the system?
Response: The chemical is flow paced into the system with o LMI chemicalfeed pump. Since the
flow meter has not been reoding occurately, the system operotor will toke o residual concentration
reoding in the distribution system and adjust the pump to meet the required 3 mq/l or less
residual. Refer to Exhibit E-Peroxide-Well.
19. Production Request No.19
Please provide the manufacturer and model of the hydrogen peroxide system.
Response: The peroxide chemicol feed system is not o pockoge system. lt is composed of o LMI
chemicol pump (AA947-45H1, 0.48 gpm), chemicol storoge tank, injection quill ond piping. Refer to
Exhi bit E-Pe roxid e-W e I l.
Boise I Coeur d'Alene I Lewiston I McCall
208.780.3990 - [e-mail]
www.mountiainwtr.com
4
Mountaln
20. Production Request No.20
What is the manufacturers' suggested range of concentration (specify units) for the hydrogen
peroxide system?
Response: Hydrogen Peroxide is used for mony opplications other than an oxidizing agent for
public water systems. The monufacturer does not set recommended ronges for injection, but IDEQ
has requested thot 3.0 mgfl residuol not be exceeded. Refer to Exhibit E-Peroxide-Well.
21. Production Request No.21
The Company's 2015 annual report states that the Company pumped 1,340,000 gallons of water.
The Company's well total for this same year is L,252,0O0 gallons. According to Company billing
records, the Company sold2,473,000 gallons in 2015. Please explain the discrepancies
Response: Production meters ore known to be inoccurote due to buildup on the inside of the
meters. Therefore, on overdge estimote of production is estimated ot 2.3 million gollons produced
to customers ond 200,000 for fire protection. The overoge production is estimated ot 2,500,000
gollons per yeor.
22. Production Request No.22
ln August and September of 2013, the Company used the fire pump to provide potable water to
residents of Grouse Point. Why was the old potable water well, which the Company maintains as
a back-up well, not used for this purpose?
Response: There wos no need to use Well No. 1, os Well No. 2 came on to ougment Well No. 3
supply during short periods where Well No. 3 could not maintoin pressure. The system controls and
electrical wiring was in ploce to use Well No. 2 and Well No. 3. Well No. 2 is on o VFD ond
produced woter ot constont pressure ore vorioble flow rotes. The averoge system demand during
September 2013 was only 27 gpm on averoge. There would have been odditionol cost and time
required to make Well No. 7 octive.
23. Production Request No.23
Please provide an accurate system map showing the locations of wells, pumps, meters, and other
major equipment. Please indicate the locations and diameters of all pipes and services.
Response: Please see lnformol Responses-Mountoin Waterworks on Beholf of Grouse Point Water
Compony (Submitted to the IPUC on 4-6-2077)-Exhibit B-System Mop.
24. Production Request No.24
Please provide the manufacturer and model number of residential meters.
Response: Sensus SRll L-inch meters.
25. Production Request No.25
Please provide the manufacturer and model number of allwell metering equipment.
Response: McCrometer, Electromognetic (Ulto Mog),2-inch Primory domestic meter; McCrometer
(McPropeller), 6-inch Common Meter
Boise I Coeur d'Alene I Lewiston I McCall
208.780.3990 - [e-mail]
www.mountainwtr.com
5
MountalnwarEn!Jon3.s
26, Production Request No.26
Please provide hourly power consumption interval data for the years 2012 through 2016. Data
should be provided in EXCEL format. This can be obtained through ldaho Power's customer service
department (reference Zach Harris).
Response: We have contocted Zach Harris in the Regulotory Affairs Department at ldaho Power,
to occumulote these requested 35,000 dato points. Mr. Horris informed Tim Forrell thot the
request will have to come from the owner of the account, Liso Wonner. Mr. Harris is working with
other deportments to determine the required worklood and timing to complete this production
request. We ore in process of scheduling a call among the owner of the account, Lisa Wonner.
Mountoin Woterworks ond ldoho Power to determine whether we may request the information
and obtain the informotion (35,000+ dota points) in on efficient monner. lf it is so determined by
ldaho Power, Zach Harris will send the data to Tim Farrellfor submittolto the IPUC.
27. Production Request No.27
For period 2012 through 2016, please identifu and explain specific instances of extra-ordinary
consumption that the Company believes should not be included in calculation of its billing
determinants.
Response: Three specific instonces of "extra-ordinory" consumption are: 7) During the late
summer months of 201j, the HOA's irrigotion system wos not avoilable due to drought conditions
and the domestic public water system wos used for irrigotion purposes. 2) 12059 Kittridge had
significant woter usoge during the months of luly, August, and September, 2015. These high meter
reodings were observed by the woter operotor ond reported to the owner. Utilizing the meter
reading doto, it wc,s never confirmed whether there was o leok or unusual watering. Woter usage
returned to normol during November ond December, 2075. 3) Other high customer woter usoge
was usuolly associated with peak summer woter demonds in the late summer months.
Boise I Coeur d'Alene I Lewiston I McCall
208.780.3990 - offi [e-mail]
www.mountrainwtr.com
6
Exhibit A
Pressure Tank Cut Sheet
First Production Requesf-Grouse Point Water Company-Date Apfl 5, 2017
WM Series I WELLMATE Pentair Water Page I of2
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Exhibit B
Electrical Equipment
First Production Requesf-Grouse Point Water Company-Date April 5, 2017
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Exhibit C
EPA Primary Drinking
Water Contaminants
First Production Requesf-Grouse Point Water Company-Date April 5, 2017
Brcm8te
DBP
DBP
ffi National Primary Drinking Water Regulations
Contaminant
Acrylamide
Alachlor
Alpha/photon cmittes
Antimony
Amnic
Asbestos (frbeB >10
micrometcn)
Atrazinc
Brium
Bmne
BcnD(a)pyrcne
(PAHS)
Berytlium
Beta photon emitt€s
Cadmium
Ca6ofumn
Carbon tetrachloride
D chlonmin*(asCl)
Chlordane
D Chlorine(sclr)
Chlorinc dioxide
(as ClO,)
Chlorite
Chlorcbemne
Chromium (total)
Copp€r
CDptosporidiun
Potential health effec,ts lrom
long.termr erposure above the ilCL
Inre in blood cholestercl; deacase
in blood sugar
Skin damage or problms with cirolatory
systems, md my have incrcascd
risk of getting oncr
Common sources of contamlnant
in drinklng water
Ercsion of natml deposits of certain
minmls that arc ndioaclivc mdmy cmit a fom of ndi.tior hom
as alpha ndiation
Discharge from petrolem refineries:
fire rctardanlri ceramics; electronicsi
soldcr
Erosion ofnatuml deposits; runoff
from orchads; mtrftom glass &
elrctsonics production msts
DEEy of sbeslos ccment in water
mim; msion of muml deposib
Di$harge from metal refnsies and
coal-bming factories; discharge
from electriol, aerospace, mddefme industies
Neruou system or blood prcblms;
incresed risk of cmcq Added to water duing sewage./
wstewater treahent
Eye, liver, kidney or splm prcblems;
anemia; increued risk of cancq
Runofffrom herticide
uscd on row crops
Incrca$d risk ofcanccr
Public Health
Goal(mg/L)'a
0.006
7 MFL
0.003
2
0.004
0.005
MRDLG{I
MRDLG=4'
MRDLG=0.81
0.8
0.1
0.1
1.3
rerc
rerc
nrc
0
rerc
rcrc
nfo
&to
0.04
rerc
zeto
Cardiovs3cular system or Eproductive
prcblems
Runoffftom herbicide ucd on rcw
sops
lncrrucd risk of developiag borign
intestiml polyps
Increased risk ofencs
Increased risk ofcmcer
Kidncy damge
Anemia; infants, young children, and fetuscs of
prcgnant wom€n: nfloN systcm cfrectE
Shon-tcm cxposue: Gashointestinal
distre$. Long-tem exposue: Liver or
kidncy damage . People with Wilrcn's
Disease should consult their pcrcoal
d6lor if lhe mout of copper in their
water excecds the action level
Short-tcm exposure: Giltrointestinal illness
(e.g., dianhca, vomiting, cmmps)
Dery of natuml and man-made
dc?Gits of ccrtain mincEls thst 8rc
mdimctivc and my mit fom of
mdiation knom as photom 8nd b€ta
mdistion
Byprcduct of drinking water disinfetion
Conosion of galvmized pipcs; crcsion
of natunl dcposits; di$harg€
from mctal rcfinqi*; mofffrom
wstc baBqies and paints
Conosion of houehold plmbing
syslms; ercsion of natural depGits
Hman md animal fecal waste
lncrase in blood presrue Dischargc of drilling wstes; dischsrgc
Aom melal refineries; erosion
of mtuml depsits
Anmia; dcqeuc in blood platclets;inmcdriskofms Di*bargc Aom factories; leaching
from gd stomg€ tanks md lmrffills
Rcprcductivc difEculties; imscd risk
of cancer
Laching
tanks End
from linings of wts stomgc
distibution lincs
Intcatiml lesions
Prcblem with bloo4 trflos systenr, or
rcproductiv€ system
I*aching of rcil fumigant used on ric€
md alfalfa
Liver prcblcm; inreased risk of cucer Discharge from chemical plants and
other indushial activities
Eyc./nooc initation; stomach dircomfort;
ancma mimbcs
Livcr or nenous systeD prcblems;
incrcued risk of mer Residuc of bmed temiticide
Eyclnosc irilation; stomach dircomfort Wster additive sed to @Dtrol
microb€s
Watcr additive used to control
micrcbcs
Anmia; infanr, yomg children, and fetuses ofpregmt women: nnou systm effects
Byproduct of drinking water
disinfection
Livr or kidaey prcblm Discharge from chmical ud agricultural
chemical factorim
Allcrgic dcmatitis Discharge from stcel and pulp millc;
crosion of natunl dcposits
zefo
D Disintechnt
@ orintuaion Byproduct
@ horganic Chemicat
ticroorganism
@organicChemical
IRadlonuclldes
Gonhminant Gommon sources of conbmlnant
in drlnklng wabr
HlIMedsiml fsalwstc
Publlc Hcrlth
Goal(mg/L)'
0.07
0.2
m
0.6
0.075
0.007
0.07
0.1
z2ra)
0.007
m
0.002
w{
Cyalide(r tec rymidc)
2A.D
Dalapon
longtermr exposur. ebovt tte IICL
dirharge fioD plaltic ud fcrtilia
fetdid
Kidncy, liva, or r&cml glmd prcblm Ruofffiom herbicidc uscd on row
crops
Minorki&ey chmges Runofrfrom herbicide used or rightsofmy
R@roduclive ditrcultiq incuscd riskofcms Rmofi/l*hing fr om soil frrmigmt
uod on coybeam, muon, pincrpplcs,
and orchrds
Livcr,5dncy, mcirculstory syst mprcblm Dischargc from industrial chmiul
factcis
Amia liva, kidncy orsplmr damage;
chugca inblmd Discbarge &om industrial chmielfactorio
Inmaeed risk of cmcc Diccbrrge ftom indurtrial chmicalfrctorid
chcmical
Livcr problcms Dimhargc Aom indurtrial chcmical
frctorics
Liverpmblm Dirchrgc ftom indutrial chcmical
fsctori6
Livq problcmq incrcarcd rir& of ema Dircbargc Aom &ug aod cbsmielf.ctfiics
lncrcased dsk ofcanccr Dircbargc Aom industsial cbcNtdcal
factorics
losl livcrpmblcsr*apmible Dirchargc tom chmical frctoricg
rcproduaivc diffialtic
Rcpoductivc dificultics: liva problm;
iacrascd ds& of onccr
Dircbargc frm rubbcr and chmiel
fdctorics
Reproductive difr cultics RuoffAom herticide used oa soytrcam
aDd wgeteblee
Rcprodrtire dift cultie; imsed risk
of caoccr
Emirim fr om waste ircinmtim
and othcr comburtion; dircharge
from chmicrl frctoria
Catrracb Runofrftom hertisidc usc
Stomocb and intestinal pmblm RunofrAom herbicide usc
Liwproblm
Incrascd ms risk rtmrch problmg Dircharge from indwtrial chmical
hctorimi m iryuity of rcmc mtertutstrmtchdiql!
Livcr or kidncy problcms Dilchrrgc Aom pctrolcum rcfincries
P:oblems with liver, storuh, Eprodrtivc
rystcm, or kidn€rys; incrcued risk of crer Dimhargc tom peroleurn refncries
1,2-Dibromo3-
chloropropre(DBCP)
o-DicNmbsnzcoc
p-Dichlmbelzcnc
1,2-Dichlorccthaac
l,l-Dichlmclhylmc
cisJ 2-Dichlomcthylcrc
taB-12-
Dichlorelhylcnc
Dicblomtharc
1"2-Dichloropropme
Di(2+thylhxyl) adipate
Di(2+thylhcxyl)
phthrlatc
Dimseb
Diorin (2,3,7,8-TCDD)
Eadrin
EpichlomhyLin
Ethylbcnzcnc
Ethylene dibrcmi&
FeololifmandE.oli
flwidc
Giadia lamblia
Gb?hoste
Halocetic cids(HAA5)
Hcptacblor
Heptachlor epoxide
H€tmtrophic plate
cout GIPC)
&to
Feal colifcm and E oli rrc boctqia vhoccplffic indi€td thrt th3 weta my bc contsmimted
with hmn c miml wcts. Micrcb€s in lhclc wast€6
may c6wc short tcro cffoctg, ruch as diartca, cramps,nam, hodaches, c othcr symptom. Thcy mry posc a
sp€cial hc0llh dsk for infonts, yong chil&en, aadpeople
with severcly cmpromiscd fumrme systemg.
Bonc dirase (pain udtm&rnm of
tbe boncs); childm my gct mottled
teth
Wlts sdditive wtich promotsf
stong tccth; mion of mtural
dcporits; dirchargc ftom fcrtilizu
and aluminum factoric
,2ro
,Ero
0.4
0.02
0.1
m
0.7
m
4.0
2m
zcto
m
nla
Short-tm qpore: OsstroirtcstiDl illnBs
(c,g., diantea, vomiting, mqs)
Kidney prcblm; rcprcduaivedifrctrltie
Inmased risk of cmccr
Livcr dmgc; inmsd ridr of crnm
Liva damge; increascd rirk of cmcs
HPC has m health effcctr; it is an
maMc method used to meme lhevdcty of bactoria thrt m colmn in
wats. The low€r thc concmtntion of
bactcia in drinking watcr, thc bcttcr
mitrt8i[Gd thc w8t6 syslm is.
Hwnedeimlfml wstc
RuoffAom herbicide w
Byprcducl of &iddng w8ttr
disinfcction
Rcsiduc of b8mcd tcmiticidc
Breskdom ofhepl8cblor
HPC measres a mge of beteria
thst ue mh[8lly pMt in theavircmcil
0.7
nlge
Diqoat
Endothall
DBP
D Didnfectant
@orinhomByprcduct
@ horganlc Chemical
Wffifi tilicroorganlsm
@OrganicGhemicrl
EFtadlmuclldo.
Contaminant
Hexachlorobeuene
I*ad
Legionella
Lindae
Mercury (ilorganic)
Mcthoxycblor
Nitrate (meMed ssNitrogen)
Nihite (m€sued 8s
Nitogcn)
Oxmyl (gdate)
Pmtachloro,phmol
Piclolm
Polychlorimled
(PCBs)
biphmyls
Radim226 md
Radim 228 (mmbined)
Selenim
Simzine
Styrcre
Tetrachlorethylene
Thalliu
Tolume
Total Colifoms
Total Trihalomethmc
(TTHMS)
Toxaphcne
2y',5-TP (Silvex)
I ,2,4-Trichlorcbcuene
l,l,l -Trichlorcthane
I , I ,2-Trichloretbane
Trichlorethylene
Potential health elfoc$ from
long-lerm3 exposuro abovo tho ilCL
Kidney or stomach prcblms
Infants and childrcn: Delays in physiol or
or mmt l development; childrfl could
show slight deficits itr anentiotr span
md leming abilitix;Adults: Kidney
problem; bigh blood preme
Lrgiomirc's Disre, a type of
pneumoua
Liva or kidney problm
Kidney damgc
Reproductivc dif, Ecultics
Common sourcos of contaminant
in drinklng water
Dfucbarge from chcmical factorics
Comsion of houchold plmbing
systems; erosion of natual deposits
Hcrbicidc moff
Fomd natumlly in water; multiplies in
hcating systms
Rmofi/leaching fiom imcticidc wcd
on fruits, vcgctables, alfalfa, livestock
RuoflAom fenilizer us€; le.ching
&om septic tanks, sewage; ercsion of
natunl deposits
Rmofffrom fenilia usc; laching
&om scptic tanls, scwagc; msion ofmhml dcposits
RmoMerching from irecticidc uscd
on applB, potstcs, and tomtocs
Dischargc Aom wod-prc*ruing
fsctorics
Herbicide roofr
Ruofffiom ludflls; discharge of
wmte chemicals
Ercsior of mhml dcposits
Dircbarge from pctoleum md metal rcfineries;msion of natunl deposits; di$hErge
from mine
Public Health
Goal(mglL)'z
0.04
l0
0.5
rere
0.004
0.1
0.0005
o.2
0.003
Livr or kidney prcblms; reprcductive
difficultics: incrcased risk of cmcer
Discharge fiom metal refinqies and
sgriculn[al chcmical factorics
reto
0.05
rcto
0.2
zarc
rcrc
0.05
wrc
Krc
r/a'
krc
0.05
0.07
&to
Ruoff/loching from imticidc ued
on cattle, lumber, gardms 0.0002
Erosion of natunl dcp6its; dischsrge
from refineries ud factories:
0.002
mofffrom lmdfills md coplmds
Infants b€low the age ofsix months who
&ink wats containing nitnte in excms
of the MCL could become seriouly illm4 if mtreated m8y die. Symptoms
include shotuess of brath od blue-baby
syndrcme.
Infants below lhc age ofsix months who
&ink wats containing nitritc in cxccss
of the MCL could bccome scriouly ill
an4 if utrsled, my die. Synptom
include shortness ofbrath md blue-baby
Slight nfloB Bystem cffets
Livo or kidncy prcblm; inrud
cmcer risk
Livo problm
Skin chmge; thymw gland prcblm;imuc dcfciacics; rcproductivc or
ncryos systcm dimcultie; incrcd
risk of orcq
lncrascd risk of erccr
Hair or fngeroil los; numbnes in fingen
or tes; cimlatory prcblcffi
Livcr, kirhcy, or circulatmy systsm prcblm
Liver pmblcms; incrcued risk of mer
Dischergc from rubbcr and plastic
factoris; leaching from landfills
DischErge tom factorie md dry cleueru
Hair loss; chmge in blod; kirhrey, inastine,
or livcr problem
l:aching from ore-pmessing site;
disharge from clcctronics, glase,
and &ug frctorics
Neilou systm, kidtrcy, or livc prcblcm Discharge from pcoolcum factcics
Colifoms rc bacteria that indicatc that othet
potentially hmful brcteris m8y be prffint.
See fecal colifoms md E coli
Natunlly pr$ent in thc enYircmnt
Liva, kidncy or central neNou systm prcblem;
incrcarcd risk ofcanccr
Byproduct of drinking wster disinfcctiotr
KidDcy, liv6, or ihymid prcblcm;
inqeased risk of encs Ruoff4csching &om insticidc Ncd
on cotton and 6ttle
Liver prcblems Residue of bmed hcfticide
Chmges in adrmal glmds Discbarge from textile finishing
factorics
Livcr, nGNoN systm, or circulatoryproblem Discharye from mctsl degrcasing
sitcs end othcr factorics
Liver, kidney, or imue syst€mproblms Discharge fiom industrial chemical
factoris
Liver problems; inrerocd risk of cancer Discharge Aom metal degreasing
sites md othcr factorics
DBP
Eto
D Disinfectant
@ oisinruaion Byproduct
@ tnorganic chemical
Microorganism
@organicChemica!
IRadionuclides
Gonhminant Potentla! hcalth offecb hom
longterm! cxpooure above the l{CL
Inmed risk of cam, kidney toxicity
Inmcd risL of ces
Shst-tm creorc: GssEointcstiul ilbBs
(c.g., dianhca, vomiting, cnryr)
N€rvous rystco damrge
Conmon rources of conhminant
ln drlnklng water
Soilmfr
Erosion of neiurd deposit
Lcrching tom PVC piFs; dircbargc
from plastic fectcic
Humrn 0darind fsl s.rstc
Dirchsr8E from pcrolm fraorie;
di*hsrgc fiom chmical fsctorie
Publlc Health
Goal(mgrlP
TUtidity
Umim
Vinyl chloridc
Vitrscs (mtaic)
Xylcnee (totrl)
D Ditinfuc-lent
@orrrmtonByproduct
@horyanlcGhmicd
Sllmlcrooqinbm
@OrganicChemicel
Iitaoiaructde
NOTES
I Definitions. Maximum Contaminant LevBl G€l (McLGFThe hvel ot a mtaminant in drinking water b6low
whidr theE i8 m knom d expoctod risk lo heallh. MCLG8 alof, ior a mrgin of sfety ard are
mn{nio@bls public hsallh goals.. Maximum Cmtaminant Level (MCLFThe highat l6wl of a ontaminant that is allow€d in
drinkng wator. MCL8 ars s6t as dos lo MCLGS as f€8iuo using tho best availablo tro6tnent
tshnology and taking @st intio consid€Bts. MCLS are 6nfreabl6 standalds.. Modmum Residusl Dislnf€ctanl L6v6l Gosl (MRDLGFThS levol of I drinking wattr disinfoc'tant
bolow whicfi thsrc is m kmm s expected dsk io h€alth. MRDLGS do not rsfloct the bsnefits of
ths u8€ of disinisclants lo ontrd misobial mtaminants.. Maximum Rosldual Dlsinf€cl8nt Lsvel (MRDLFThg highost lovol of a dislnfoclant sllowod in
drinking water. TheE is ffivindng eviden@ that addition of I disinfoctant is necassary br
. Troatnont Tochnlquo (ITFA roquired prc6$ intend6d to Bdus lha level of a contamimnt ln
drlnklng w8ter.
2 Units are in milligrams per liler (mg/L) unles otheilb€ noted. Milligrems per litor aro equivalent
to parls psr million (ppm).
3 Hoalth €fiec{s sre frcm long-tsm exposuE unloss spocifiod as shoil-lem axposuE.
a Esch wattr statem must eiify annualty, in uiting, to th€ stBta (using third-pa]ty il mnufadurss
Grtifcatbn) that wh€n it tffi adylamkle ardlor epichlo.ohydrin to traat water, the ffibination (or
prcducl) of dos6 and monomor lsvel dcs not ex@d lhe levels 6p€cilad, as follows: Acrybmlds
= 0.05 porQnt dos€d 8t I mg/L (q squiElonl); Epichkxohyddn = 0.01 p3mnt dosod at 20 mg^
(or squivalent).
5 Lead and @pper ar6 rogulat€d by a Treatrnent Trchnique lhat roquires syst6ms to mtrol tha
@mdwffi of th€ir water. lf more than 'l 0 pecnt o, tap mtor smplos ex@od lhe 8c1in lov6l,
wat6r slstm mst take a(Hitlmal steps. Fq 6pp€r, the adim lorel b 1.3 mg/L, and for lead is
0.015 mgn-.
6 A routn8 ssmph hat is f6cal cdilomfGiwe d E @rnposidw tigg6E rcpeat smpls$"it any
Epeet smple is total mlfmpodtvE, tho systsm tEs an ejt€ MCL vlolatlon. A mutlns smpl€
that is btal olimnfosilive and f6cal otbm{egatiw tr E @limgEliw tigg€B 6peat emplos-it
any Bpeat smple b f€cal @lifu.m+cEilire tr E oJipositiB, the systom hs an ets MCL vb*ttion.
S€s abo Total Coliforms.
7 EPAS surfae water tr€atrrent rules require systems using 8urfacs water or gEund water under
th6 dirilt influence of surface water to (l ) disinfect their water, and (2) filtsr thsir watsr or mst
dltsda fur avoldlng fltration s that ths following ontaminanb aB oontollod at th€ folowlng leveb:. Cryplowidlumi 99 po@nt romoval for systams thal llltsr. Unfllt€Ed systems aro pqulred to
incbde CDotosporidium in their existing wateBhed connol provisions.. Giardia hmbfa: 99.9 p€mnt Emvauinelivation
. Viruses: 99.9!) psmt Bmvauinaclivation. Lagbmrrs: tlo linit, but EPA bdioves that if Glrdia dd viruses aB remved/imcliwted according
lo the troatnent tedrnh$ in th€ srfaco wator treatrent rule, Legriomrr, will also b€ fftoflod.. TubUity: Fq systsm lhat u$ qlwliml tr dftrct ffbaton, 8t rc tire en tit*tly (dordk6 d
water) go hEhs lhan 1 n€ph€lolmtic turbidity unil (NTU), and smples tor trrbuity must be
les thil q €q€l to 0.3 NTU in at le$t 95 porcont of th€ smpl6 in arry mfi. Systm that use
ftbatim ofrH than @nventixEl tr dicd filtralion mGt blox state ,mits, whicfi msl irdude turtidlty
. HPC: No mo.o tlan 50O bacterial coloni€s p€r milliliter. Long Tm 1 Enhamd SurfaG Wbttr Trffitrmnt; Surfae mttr sydom tr gmnd mttr sydems
under lh€ dir6c1 idlume of surfa€ mt6r s€rvlng fewil lhan ,0,000 psde must @mply with th€
apdicablo LorE Tm 1 Enhanc€d S$fa€ Wbbr T@tmnt Rule Ewisiru (6.9. turbidity standards,
individual f lter monitoring, Ctyptowidiun r6moval requirom€nts, updated watershed conlrol
requiroments ror unfiltered 6y6toms).. Long Tsm 2 Enhanced Surfacs Wstsr Treatmen! Thls rule applies to all surface wator systoms
or ground water systems under lho dirsct infiu6n6 of surtace water. The rule targets additional
C4p{pspo/rfirm feafilont r€quir€mnt fur highs rbk sFlem ard includs prwidms b rcdu6
rhks fm untrGd inbh€d sEtar daags faclro€s ard b €nEiB lhd the qdsre mintsin [icrcbial
pptecton s thsy laks st6p6 to r€du@ lhs iomation of disintection b!,?rcducts. (Monitodng
stiart datos aG stagg€rod by systom size. Th6 largest systems (seMng at least 100,fl)0
p€oplo) will b6gin mnitoring in Octobor 2fi)6 and th6 smallost syslems (ssrying torer than
10,000 p6opl€) wil mt b€gin monitoring untl Octobor 2008. Alld omplstng monltoring and
detemining their beatmnt bin, systffi gmmly haw thE yeaE to 6mply wih any additiml
traatrEnt requiromonts.). Filter Bacltrash Rscycling: Tho Filtor Badoash Reyding Rul6 rcquiEs systems thal recycl6 to
Etum sp€cmc mych f,orc thmugh all p@ss of th6 syst€m's existing Mv€nlional or dirocl
filBatjon system or at an altomata location approred by the stale.
6 No mm than 5.0 p6mnt samples total olifdmfositivo ln a lmth. (For wat8r s),stems that 6llec1
fes,er lhan 40 routlno sampl€s psr npnth, no moro lhan ons sample En be lotal @ltfom.posl0vo
per mnth.) Every sample thet hes total mliiom must be anelyzed for eilher fecel olifoms d
E cdi lf trc 6ns6qJtiv€ Tc?ositivo smpl6, and on6 is abo positive br E @ri tr fa€l 6lioms,
8!6tem has an aete MCL viohdon.
9 Although lhero is no @llsclivo MCLG for thb ontaminant grcup, ther6 ar6 individual MCLGS for
some of the individual mntaminants:. Hd€@tic acids: dichlorca€tic acid (zero); trichloroacelic acid (0.3 mg/L). Trftdorn€ftaM: bunodichloom€dlm (mI hotrrolb.m (eI dhomocr{mm€EEm (0.06 ndL)
ll
National Secondary Drinking
Water Regulation
NationalSecondary Drinking Water Regulations are non+nforceable guidelines regarding
contaminants that may cause cosmelic efiects (such as skin or tooth discoloration) or aes-
thetic efiects (such as taste, odor, or color) in drinking water. EPA recommends secondary
standards to rvater systems but does not require systems to comply. Horever, some states
may droose to adopt trcm as enforceable standards.
United States
Environmental Protection
Agency
EPASlGF-09-m4
May 2fi)9
For More lnformation
EPA's Safe Drinking Water Web site
http ://www.epa. gov/saf ewater/
EPA's Safe Drinking Water Hotline
[phone]
To order additional posters or other
ground water and drinking water
publications, please contact the
National Service Center for
Environmental Publications at :
[phone], or
email: [e-mail].m
m
9EPA
Exhibit D
Sampling Results
First Production Reguesf-Gtouse Point Water Company-Date April 5, 2017
Analytical Laboratories, Inc.
llt04 N. 33rd Strcct
Iloise. ldaho 113703
l'hone (208) 342-55 I 5
Attn: CnMll-I.U IIROWN
t lNl'l'l:D WA'I'F-R lDAllO
8248 W VICTORY ItD
P O t]()X t9()420
BOISt--. lD 83719-0420
Collected By:
Submitted By:
Source of Sample:
(iRoLJSE P]'#2
uu-t-cH
C BROWN
Date
Completed
Time of Collection
Drte of Collectionr
Date Received:
Report Drte:
,1:45
6i23/2004
6i23/2004
7 t13t2004
PWS: 4010232
Laboratory Analysis Report
Sample Number: 04203 l4
ELI.TESTINC PERTORMED A'T ENERGY LABORA'TORIES. INC. RESI.'L'TS RECEIVED $7II2IO1.
Test Requcsted McL f;fjftt lrnirs MDL Method
Uranium-Total 30 66 pCi/L 0.2 LPA 908. r 7nt2004 ELt
Analyst
N4CL = l\larimum Contarrination Lcrel'-...- ,ttDL - M.thodMirrimum Dctcction Limit
lR = Unregulatcd
CC: CDHD-BOISE
'flmnk 1 ou tbr choosiDg Anal-ltical L:bomrorias for yotu tcstrng nccds
Ifrur have an1 qtrestrons sonccnring this repon.
please contact: ( .ler c Oualletlc l'lrgc I ol I
l"
lit,lr Analytical Laboratories, Inc.ft lll04 N. 33rd Strcct
Iloise. ldaho lti703
I'hone (20E) 342-55 I 5
Attn: CAMII-I,E I]RoWN
tINITED WAI'ER IDAIIO
,t248 W VtC'rORY RD
POB()X 190420
BOtSE. lD 83719-()420
Collected By:
Submirted By:
Source of Sample:
(;ROLJSti P'l's2
I]UTCH
C BROWN
Date
Completed
Time of Collection
Date of Collection:
Date Received:
Report Date:
Test Requested
Uranium-Total
'7:45
6t23t21t1t4
6t23t21t04
7il312004
PWS: 4010232
Laboratory Analysis Report
Sample Number: 04203 l4
ELI-TESTINO PERIORMED A'T ENERCNT LABORA'TORIES. INC. RESIIL'TS RECEIVED 07/I2III1
MCL
30
Anrlysis
Result
66
units lllDL Method
pCi/L
Analyst
0.2 EPA 908.1 7nt2004 ELt
{
MCL = lltarimunr Contmindion Lcvel'-..- ,r.tOL = Mcrhod,Minimum Detcction Limit
lR = Unregulatcd
CC: CDHD-BOISE
'fltanh l ou tbr choosing Analyical L:bomtorics for your tcsltng nccrls.
ll';-ou havc irnl qucstrons corccnring this rcpon.
pl.asc conlact: ( lere Oucllette l':rg.c I ol l
Exhibit E
Peroxide Well
First Production Requesf-Grouse PointWater Company-Date Apil 5, 2017
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