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HomeMy WebLinkAbout20241101ASP to Staff 14 - Attachment August 262015 Sanitary Survey PWS 6040042.pdf ' STATE OF IDAHO DEPARTMENT OF® ENVIRONMENTAL QUALITY 444 Hospital Way,#300- Pocatello,Idaho 83201-(208)236-6160 C.L."Butch"Otter,Governor www.deq.idaho.gov John H.Tippets,Director September 15,2015 Ray Elliot Aspen Creek Estates 10 South Bear Lake Blvd. Garden City, UT 84028 RE: Aspen Creek Estates Water Company Sanitary Survey PWS #6040042 Dear Mr. Elliot, On August 26,2015,the Idaho Department of Environmental Quality(DEQ)conducted a sanitary survey of the Aspen Creek Estates water system. DEQ is required to conduct sanitary surveys on either a 3 or 5 year interval to identify any areas where the water system does not meet the requirements of IDAPA 58.01.08 Idaho Rules for Public Drinking Water Systems. The following paragraphs describe the physical features of the system and identify any significant deficiencies, deficiencies, or recommendations noted during the survey. General Description The Aspen Creek Estates water system is located just west of the town of Fish Haven,in Bear Lake County. Aspen Creek Water Company is a privately owned utility that began operations in January of 2001. The system population varies depending on seasonality. There are currently 39 metered connections. The water system has two wells, with only the Loveland well supplying water to the system. Currently,there is a single pump house and an 115,000 gallon water storage reservoir. Plans on file with DEQ show an additional pump house to be constructed at build-out for the second well and a booster pump station to be added. The Loveland well pumps to the storage reservoir and is controlled by level indicators. The water then flows from the reservoir eastward to Forest Circle and into the main distribution system. The Loveland well pump house has been modified so the below ground piping and equipment is accessible via stairs and a doorway rather than through the single manhole. There is no auxiliary power on the system. Sources Well#1-Loveland Well Well#1 is located to the south of the pump house building on the south side of Loveland Road. The well was drilled in 1978 to a depth of 350 feet with a 12-inch diameter casing. The casing is sealed to 100 feet, and the depth to water is 270 feet. The well casing is vented and the well cap appears to be water-tight. The well is equipped with a 40 hp submersible pump. The 6-inch discharge line inside the pump house has an air relief valve, check valve, isolation valve, pressure gauge, smooth-nosed sample tap, totalizing flow meter, and pump-to-waste capability through a 3-inch galvanized line north of the wellhouse. The pump house,built on top of a concrete vault was modified to include stairs and a second door. The pump house has lockable doors,lights,a floor drain, and an electric heater. The well house does not have a fan or means to vent the below ground compartment;but there were no signs of excess moisture build-up. The well can be operated manually if necessary to fill the tank. Well#2 Well#2 is nicknamed the Gentle Ben well, and is located on the north side of the road at 2518 E 800 S. The well was drilled in 2007 to a depth of 350 feet with a 10-inch diameter casing extending to 280 feet. The well is grouted with bentonite to a depth of 100 feet. Static water level is reported at 140 feet below ground surface. The well casing is vented and the cap appears to be water-tight. The well is equipped with a 40 hp submersible pump. Due to a slowdown in development of the subdivision,well 42 is not in service. Storage The partially above ground concrete storage reservoir was built in 1998. It has a storage capacity of 115,000 gallons at the 16 foot level. It is located 3000 feet west-northwest of the pumphouse, and about 100 yards west of the end of Forest Circle. The reservoir is fed directly by the Loveland well. Access to the interior of the reservoir is through a single access hatch. The 4x4 foot water tight hatch is hinged on one side and has a lockable cover. The reservoir is properly vented. The overflow pipe drains water to an adjacent drainage ditch to the south. The reservoir drain discharges through the same pipe as the overflow. The discharge is screened with an appropriate air gap over a rocky drain area to prevent erosion and/or backflow into the tank. Tank level is maintained via the water level monitoring telemetry system. The well pump is activated when the tank level drops to 11 feet and shuts off the pump at a tank level of 14 feet. The tank overflow is located approximately 15 feet above the tank floor. The operator removes any.film on the tank water surface by operating the well manually to fill the tank to the overflow level,which removes any film from the top water layer in the tank by letting water flow out through the overflow. The pressure created by the sustained water level in the tank, generally at 100,000 gallons, is sufficient-to supply adequate pressure to many of the lots. Pressure reducing valves are used to lower the pressure to the lowest lots. Distribution System The main PVC distribution piping ranges from 6-inch main lines to 8-inch diameter lines for some of the fire hydrants. Residences are connected to the distribution piping by 1-inch poly pipe service lines. The system has 1-inch water meters installed on all service connections. Three pressure reducing valves (PRV's) are located on the main lines; one just before Lake Vista road on the north side of the road,the second just after the Elk Horn Road connection to Lake Vista Drive on the south side of the road, and the third is just prior to the Beaver Circle cul-de- sac on the west side of the road. The PRV's are located to separate the three pressure zones on the system. Two-air relief valves are also located in the system at the extreme low points of the system piping. 2 OTreatment The system does not utilize treatment. Pumps/Pumping Facilities and Controls The system has two 40 hp submersible pumps, one located in each well. The pump in well#1 is controlled by the level in the storage reservoir. There are no booster pumps currently on the system. Monitoring/Reporting/Data Verification The water system is in compliance with all bacteria and chemical monitoring and reporting requirements. Management/Operator Compliance with State Regulations Aspen Creek Estates is considered a regulated public utility. The water system is currently owned by the developers and not under the direction of a homeowners association. Ray Elliot conducts daily operations and is the Responsible Charge.Operator(RIC)and Substitute RIC operator. He is licensed as a Drinking Water distribution Very Small water System Operator (DWDVSWS). The current water fee is $350 per year with an option for additional overage charge based on meter reading. OGround Water Under the Direct Influence of Surface Water(GWUDI) At this time,the wells are considered to be groundwater that is not under the direct influence of surface water. A Significant Deficiency is defined in IDAPA 58.01.08.003.88. that states: As identified during a sanitary survey,any defect in a system's design, operation,maintenance, or administration, as well as any failure or malfunction of any system component,that the Department determines to cause, of have the potential to cause,risk to health and safety, or that could affect the reliable delivery of safe drinking water. A Deficiency states: As.identified during a sanitary survey,the systems design, operation, maintenance,or administration, as well as any failure or malfunction of any system component, that the Department determines are not in compliance with the drinking water rules and do not cause or do not have the potential to cause, risk to health or safety,or that could not affect the reliable delivery of safe drinking water. Recommendations are made as an item to consider in order to improve the overall operation of the water system. Significant Deficiencies No significant deficiencies were identified. 3 Deficiencies There is no auxiliary power on-site as required by IDAPA 58.01.08.501.07. According to the operator,the power outages experienced by the system are of minimal frequency and duration that auxiliary power will not be required.The need for auxiliary power on-site will be reevaluated every time an ESS is conducted. (No action required at this time) (Because the system has a storage reservoir,pressure can be maintained for a period of time in the system. According to the operator, the eater system is pursuing.the use of a portable emergency generator that can be connected to the pump house) Adequate ventilation is not provided in the pump house for dissipation of excess heat and moisture from the equipment,as required by IDAPA 58.01.08.541.01.e. At the time of the inspection there was no evidence of corrosion of metallic and/or electrical components from excessive heat and/or moisture. The requirement of ventilation will be reevaluated every time an ESS is conducted. (No action required at this time) Recommendations ec e DEQ recommends that a permanent ladder be secured for access to the top of the storage reservoir. The current ladder being used,while stable,is not secured to the side of the tank and could pose a hazard. O A preliminary engineering report for all new water systems,or modifications to existing water systems must be submitted to and approved by DEQ prior to the submittal of plans and specifications,as required by IDAPA 58.01.09.503.01. Following approval of the preliminary engineering report,plans and specifications must be submitted to and approved by DEQ prior to construction of new public water systems or modifications of existing public water systems,as required by IDAPA 58.01.08.504. Thank you for your-time and cooperation in the completion of this survey. If you have any questions,please contact me at 236-6160 or barbarajones@deq.idaho.gov. Sincerely, Barbara J Jon Drinking Water Analyst cc: Tom Hepworth,Engineering Manager,DEQ-PRO 4 State of Idaho Department of Environmental Quality Photo Loa Name of Facility: [nspection Date PWS# Aspen Creek Estates 8/26/2015 (mm1d&yyyy) 6040042 mera Type: Camera Brand: Camera Model: Camera lD#: ✓ Digital El35mm Other: SW-770 Olympus Direction` Photo: Date: By: (initials) (N,S,E,W,etc.) File Name: Description: 1 8/26/2015 JB Well#1 2 8/26/2015 JB Well#2 3 8/26/2015 JB Vent on well#1 4 8/26/2015 JB Well lot and pump house 5 8/26/2015 JB Discharge piping in pump house 6 8/26/2015 JB Pressure gauge,isolation valve,flow meter,check valve 7 8/26/2015 JB Pump to waste pressure regulator valve 8 8/26/2015 JB Smooth nosed sample tap 9 8126/2015 JB Piping in from well#1 10 8/26/2015 JB Pump to waste discharge pipe 11 8/26/2015 JB Pump to waste discharge area 12 8/26/2015 JB Storage reservoir 13 8/26/2015 JB Elevated access hatch 14 8/26/2015 JB Inslde reservoir access hatch 15 8/26/2015 JB Vent on storage reservoir 16 8/26/2015 JB Inside storage reservoir 17 8/26/2015 JB Storage reservoir drain pipe 18 8/26/2015 JB Screen on storage reservoir drain pipe 19 8/26/2015 JB Pressure reducing valve(PRV)in concrete vault photographers signature below signifies that the images identified on this photo log have not been tampered with and are representative of what was seen in the field. #cgrapher(s)Signature(s): Date: Page Of IDEQ-Enhanced Sanitary Survey-7/16/15 Photo Log ;r Ijr C ) d 1 ti� F 1 ti TI jj ISM lb Ti r J tic ��}j•�4i�' �4` �4,� >{.Igyf�">;+�r ':0 ti a xVA at r r4o ,4 � M � w • !, .�r `. �� 1: {�: � 11 ,'�.� S ' f.r, ,(^ t, '-7 t _ C \ �.. 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