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HomeMy WebLinkAboutDDW-2024-005956 195 North 1950 West • Salt Lake City, UT Mailing Address: P.O. Box 144830 • Salt Lake City, UT 84114-4830 Telephone (801) 536-4200 • Fax (801) 536-4211 • T.D.D. (801) 903-3978 www.deq.utah.gov Printed on 100% recycled paper State of Utah SPENCER J. COX Governor DEIDRE HENDERSON Lieutenant Governor Department of Environmental Quality Kimberly D. Shelley Executive Director DIVISION OF DRINKING WATER Tim Davis Director August 8, 2023 David Norman Lehi City 2538 N 300 W Lehi, UT 84043 Subject: New Source Monitoring Requirements for Lehi City, UTAH25015 Dear David Norman: According to the Division of Drinking Water’s (The Division) records, Lehi City recently reactivated the Lehi Sand Pit Well (WS016) and the Sand Pit Chlorinator (TP016). This changes the requirements for your system. The following changes have been made to the monitoring schedule for your system. Facility with new requirements Analyte(s) Required # of samples Sampling Frequency Next Due Date Rule Reference WS016 Lehi Sand Pit Well Inorganics & Metals 1 Every Three Years 01/01/2026- 12/31/2028 R309-205- 5(3)(a) Nitrate 1 Yearly 01/01/2024- 12/31/2024 R309-205- 5(4)(a) Sulfate, Sodium, TDS 1 Every Three Years 01/01/2026- 12/31/2028 R309-205- 5(3)(a) Pesticides 2 Every Three years 07/01/2023- 09/30/2023 R309-205- 6(1)(f) Radionuclides 1 Every Six Years 01/01/2026- 12/31/2028 R309-205- 7(1)(b) Volatile Organic Contaminants 1 Every Three years 01/01/2026- 12/31/2028 R309-205-6(2) TP016 Sand Pit Chlorinator Point of Entry (POE) Chlorine 3 Weekly (Reported quarterly) 10/10/2023 R309-210- 8(3)(a)(ii) David Norman Page 3 of 3 August 8, 2023 Chlorine Monitoring & Reporting Requirements The water system is required to meet elective disinfection requirements. As a part of these requirements, the water system is required to continuously maintain a minimum free chlorine residual at each chlorinator Point of Entry (POE) into the system and demonstrate a detectable chlorine residual in the distribution system. Elective Disinfection Requirements and Reporting 1. Chlorine Residual ‒ Point of Entry (POE) to Distribution System 1. The POE sampling location is identified as EP016 in the Division’s database. Maintain a minimum of 0.2 mg/L residual (measured as free chlorine) at the POE sampling location. [R309-215-16(3)(b)(iii)(A)(I) and (II)] 2. The chlorine residual concentration measured at the POE sampling location shall not exceed the maximum residual disinfectant level (MRDL) of 4.0 mg/L (measured as free chlorine). [R309-200-5(3)(c)(iv)] 3. Record and report the lowest daily chlorine residual concentration, measured as free chlorine, at the chlorinator POE sampling location a minimum of three (3) times per week. [R309-210- 8(3)(a)(ii)] • Our records show that your water system serves 79,978 people. Please be aware that R309-215-16(3)(b)(iii)(A)(I) requires water systems serving greater than 3,300 people to continuously monitor the POE chlorine residuals. Therefore, an online analyzer to continuously monitor the POE chlorine residuals entering the distribution system is needed. Disinfection Report Submission To demonstrate ongoing compliance with secondary disinfection requirements, the water system must complete monthly operational reports for each active chlorinator using a template approved by the Division. A report template is enclosed with this letter. 1. Operational reports are submitted quarterly. The reports are due to the Division by the 10th day following the end of each reporting month or quarter (i.e., January 10th, April 10th, July 10th and October 10th for quarterly reports). The reports can be submitted by hardcopy, fax, or email at DDWReports@utah.gov. Please contact Luke Treutel at (385) 258-6084 or ltreutel@utah.gov to schedule training regarding proper reporting. 2. In addition to monthly disinfection reporting, this water system must submit the monthly average of chlorine residual samples taken in the distribution system. Distribution system chlorine residual monitoring results are due quarterly by the same compliance dates as the monthly disinfection report and can be submitted via an online form found at mrdl.utah.gov. 3. Records must be maintained for a minimum of 5 years. [R309-105-17(1)] Thank you for your efforts in maintaining a safe drinking water system. If you have questions concerning your source sampling requirements, please contact David Kruse at 385-566-7789 (dbkruse@utah.gov). If you have any questions about the point of entry chlorine monitoring, contact Luke Treutel at 385-258-6084 (ltreutel@utah.gov). David Norman Page 3 of 3 August 8, 2023 Sincerely, Mark Berger Rules - Implementation Manager Enclosure – Monitoring Schedule Chlorinator Operational Report Template cc: David Norman, Lehi City, davenorman22@gmail.com Daymon Swenson, Utah County Health Dept, daymons@utahcounty.gov Mark Berger, Division of Drinking Water, mberger@utah.gov David Kruse, Division of Drinking Water, dbkruse@utah.gov Luke Treutel, Division of Drinking Water, ltreutel@utah.gov Utah Department Of Environmental Quality Division Of Drinking Water Admin Contacts Water Monitoring Report BACTERIOLOGICAL MONITORING Disinfection ByProduct Stage 2 Monitoring Other Distribution Monitoring MONITORING REQUIREMENTS BY FACILITY LEHI CITY PWS ID: UTAH25015 Rating: Approved 03/10/1980 Active Legal Contact LEHI CITY DAVID C NORMAN 2538 N 300 W LEHI, UT 84043 Phone: 385-201-1700 County: UTAH COUNTY System Type: Community Population: 79,978 Site Updates Last Inventory Update: 08/01/2023 Last Surveyor Update: 08/17/2022 Surveyor: BRENT P ARNS Operating Period: 1/1 - 12/31 Last IPS Update: 08/01/2023 14:10:00 Consumptive Use Zone Irrigation Zone: 3 Date: 02/15/2013 Name Title Office Emergency Email NORMAN, DAVID C 385-201-1700 davenorman22@gmail.com Sample Count Type Frequency Schedule Begin Schedule End Analyte Name 70 Routine Monthly 03/27/2018 COLIFORM (TCR) Sample Count Type Frequency Sample Label 5 Routine Quarterly UTAH25015 DS001 Sample ID below ID Site Last Sample Next Sample Due MD204 3600 W 2100 N 06/08/2023 07/01/2023-09/30/2023 MR201 5062 FOX HOLLOW 06/08/2023 07/01/2023-09/30/2023 MD202 1200 E MAIN 06/08/2023 07/01/2023-09/30/2023 MD201 701 W 1025 S 06/08/2023 07/01/2023-09/30/2023 MD203 1488 WESTBURY 06/08/2023 07/01/2023-09/30/2023 Sample during the following months: November, February, May, August Analyte Name ID Sample Count Type Frequency Last Sampled Next Sample Due LEAD AND COPPER DS001 30 Routine 3 Years 2021 06/01/2024-09/30/2024 DEQ | Drinking Water Run Date: 08/01/2023 18:45:25 | Rating: Approved UTAH25015 LEHI CITY page 1 of 3 ID NAME SS994 SAMPLING STATION - 05 06 08 Name Sample Count Type Frequency Last Sampled Next Sample Due E. COLI 1 Routine Monthly 09/01/2023-09/30/2023 INORGANICS-COMPL 1 Routine 3 Years 03/14/2022 01/01/2023 - 12/31/2025 NITRATE 1 Routine Yearly 07/13/2023 01/01/2024 - 12/31/2024 RADS - COMPLIANCE 1 Routine 6 Years 10/29/2015 01/01/2020 - 12/31/2025 SULFATE,SODIUM,TDS 1 Routine 3 Years 03/14/2022 01/01/2023 - 12/31/2025 VOC-COMPL 1 Routine 3 Years 08/03/2020 01/01/2023 - 12/31/2025 WS001 500 WEST WELL Name Sample Count Type Frequency Last Sampled Next Sample Due INORGANICS-COMPL 1 Routine 9 Years 03/14/2012 01/01/2020 - 12/31/2028 NITRATE 1 Routine Yearly 07/13/2023 01/01/2024 - 12/31/2024 PESTICIDES-COMPL 2 Routine 3 Years 04/21/2022 01/01/2023-12/31/2025 RADS - COMPLIANCE 1 Routine 6 Years 10/29/2015 01/01/2020 - 12/31/2025 SULFATE,SODIUM,TDS 1 Routine 9 Years 03/14/2012 01/01/2020 - 12/31/2028 VOC-COMPL 1 Routine 6 Years 08/03/2020 01/01/2026 - 12/31/2031 WS007 1200 EAST WELL Name Sample Count Type Frequency Last Sampled Next Sample Due INORGANICS-COMPL 1 Routine 9 Years 03/14/2012 01/01/2020 - 12/31/2028 NITRATE 1 Routine Yearly 07/13/2023 01/01/2024 - 12/31/2024 PESTICIDES-COMPL 2 Routine 3 Years 04/21/2022 01/01/2023-12/31/2025 RADS - COMPLIANCE 1 Routine 3 Years 03/14/2022 01/01/2023 - 12/31/2025 SULFATE,SODIUM,TDS 1 Routine 9 Years 03/14/2012 01/01/2020 - 12/31/2028 VOC-COMPL 1 Routine 6 Years 08/03/2020 01/01/2026 - 12/31/2031 WS010 DRY CREEK WELL Name Sample Count Type Frequency Last Sampled Next Sample Due INORGANICS-COMPL 1 Routine 3 Years 03/14/2022 01/01/2023 - 12/31/2025 NITRATE 1 Routine Yearly 07/13/2023 01/01/2024 - 12/31/2024 PESTICIDES-COMPL 2 Routine 3 Years 04/21/2022 01/01/2023-12/31/2025 RADS - COMPLIANCE 1 Routine 6 Years 10/29/2015 01/01/2020 - 12/31/2025 SULFATE,SODIUM,TDS 1 Routine 3 Years 03/14/2022 01/01/2023 - 12/31/2025 VOC-COMPL 1 Routine 6 Years 03/14/2022 01/01/2026 - 12/31/2031 WS013 AIRPORT WELL Name Sample Count Type Frequency Last Sampled Next Sample Due INORGANICS-COMPL 1 Routine 3 Years 03/14/2022 01/01/2023 - 12/31/2025 NITRATE 1 Routine Yearly 07/13/2023 01/01/2024 - 12/31/2024 PESTICIDES-COMPL 2 Routine 3 Years 04/21/2022 01/01/2023-12/31/2025 RADS - COMPLIANCE 1 Routine 6 Years 10/29/2015 01/01/2020 - 12/31/2025 SULFATE,SODIUM,TDS 1 Routine 3 Years 03/14/2022 01/01/2023 - 12/31/2025 VOC-COMPL 1 Routine 6 Years 03/14/2022 01/01/2026 - 12/31/2031 WS014 GRAY WELL DEQ | Drinking Water Run Date: 08/01/2023 18:45:25 | Rating: Approved UTAH25015 LEHI CITY page 2 of 3 Name Sample Count Type Frequency Last Sampled Next Sample Due INORGANICS-COMPL 1 Routine 3 Years 03/14/2022 01/01/2023 - 12/31/2025 NITRATE 1 Routine Yearly 07/13/2023 01/01/2024 - 12/31/2024 PESTICIDES-COMPL 2 Routine 3 Years 04/21/2022 01/01/2023-12/31/2025 RADS - COMPLIANCE 1 Routine 6 Years 11/17/2016 01/01/2020 - 12/31/2025 SULFATE,SODIUM,TDS 1 Routine 3 Years 03/14/2022 01/01/2023 - 12/31/2025 VOC-COMPL 1 Routine 3 Years 08/04/2020 01/01/2023 - 12/31/2025 WS015 MITCHELLS HOLLOW WELL Name Sample Count Type Frequency Last Sampled Next Sample Due INORGANICS-COMPL 1 Routine 3 Years 03/22/2022 01/01/2023 - 12/31/2025 NITRATE 1 Routine Yearly 07/13/2023 01/01/2024 - 12/31/2024 PESTICIDES-COMPL 2 Routine 3 Years 04/26/2022 01/01/2023-12/31/2025 RADS - COMPLIANCE 1 Routine 6 Years 08/09/2018 01/01/2023 - 12/31/2028 SULFATE,SODIUM,TDS 1 Routine 3 Years 03/22/2022 01/01/2023 - 12/31/2025 VOC-COMPL 1 Routine Yearly 07/13/2023 01/01/2024 - 12/31/2024 WS016 LEHI SAND PIT WELL Name Sample Count Type Frequency Last Sampled Next Sample Due INORGANICS-COMPL 1 Routine 3 Years 06/07/2023 01/01/2026 - 12/31/2028 NITRATE 1 Routine Yearly 06/07/2023 01/01/2024 - 12/31/2024 PESTICIDES-COMPL 2 Routine 3 Years 06/07/2023 01/01/2024-12/31/2025 RADS - COMPLIANCE 1 Routine 6 Years 01/12/2017 01/01/2023 - 12/31/2028 SULFATE,SODIUM,TDS 1 Routine 3 Years 06/07/2023 01/01/2026 - 12/31/2028 VOC-COMPL 1 Routine 3 Years 06/07/2023 01/01/2026 - 12/31/2028 Grouped Source Sampling Stations Sample Group ID Sample Group 20006 SS994 Source ID Source Name Sample Group Details System WS008 BIRCH SPRING UTAH25015 LEHI CITY WS006 HAMONGOG SPRING UTAH25015 LEHI CITY WS005 SCHOOL HOUSE SPRING UTAH25015 LEHI CITY Open Compliance Schedule Type Required Activities Severity Created Due TEMPORARY EXCEPTION GWR CORRECT DEFICIENCY 120 DAYS SIG 02/05/2021 02/28/2024 TEMPORARY EXCEPTION SOURCE FACILITY DEFICIENCY- CORRECT MIN 03/10/2021 03/05/2024 TEMPORARY EXCEPTION SOURCE FACILITY DEFICIENCY- CORRECT MIN 03/10/2021 03/05/2024 TEMPORARY EXCEPTION SOURCE FACILITY DEFICIENCY- CORRECT MIN 02/23/2021 02/24/2024 TEMPORARY OPERATING PERMIT GWR CORRECT DEFICIENCY 120 DAYS SIG 08/05/2021 08/06/2025 DEQ | Drinking Water Run Date: 08/01/2023 18:45:25 | Rating: Approved UTAH25015 LEHI CITY page 3 of 3