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Tule River Reservation Main

California — Community Water System — PWSID: 090600156

System Information

PWSID090600156
System NameTule River Reservation Main
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateCalifornia
CityPorterville
ZIP Code93257
Address340 S. Reservation Rd.
OrganizationTule River Tribe
Phone5597814610

Population & Service

Population Served2,560
Service Connections330

Drinking Water Violations (662)

This water system has 662 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Sep 19, 2025 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Jul 1, 2025 Sep 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 20, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Sep 30, 2025 Arsenic MR No Yes — 0.010 mg/L — Resolved Sep 30, 2025 Arsenic Rule
Jun 30, 2025 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Jun 30, 2025 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Feb 14, 2025 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Feb 14, 2025 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Jan 1, 2025 Mar 31, 2025 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2025 Nitrate Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2025 Nitrate Rule
Jan 1, 2025 Mar 31, 2025 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2025 Nitrate Rule
Oct 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Oct 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Oct 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2024 Arsenic Rule
Sep 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 25, 2024 Revised Total Coliform Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Aug 1, 2024 Aug 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2024 Surface Water Treatment Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2023 Mar 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2023 Revised Total Coliform Rule
Mar 1, 2023 Mar 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2023 Surface Water Treatment Rule
Mar 1, 2023 — Public Notice Other No No — — — Resolved Jun 26, 2024 Public Notice Rule and Revised PN Rule
Feb 1, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Feb 1, 2023 Feb 28, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 2023 Surface Water Treatment Rule
Feb 1, 2023 Feb 28, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2023 Surface Water Treatment Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Apr 1, 2022 Jun 30, 2022 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Jun 30, 2022 Synthetic Organic Chemicals
Jan 1, 2022 Mar 31, 2022 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Mar 31, 2022 Synthetic Organic Chemicals
Oct 1, 2021 Dec 31, 2021 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2021 Synthetic Organic Chemicals
Oct 1, 2021 Dec 31, 2021 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2021 Radionuclides and Revised Rad Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Apr 1, 2019 Jun 30, 2019 Arsenic MCL Yes No .0104 MG/L 0.010 mg/L — Resolved Jun 30, 2019 Arsenic Rule
Oct 1, 2018 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Oct 1, 2018 Dec 31, 2018 Arsenic MCL Yes No .0106 MG/L 0.010 mg/L — Resolved Dec 31, 2018 Arsenic Rule
Oct 1, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Mar 5, 2019 Consumer Confidence Rule
Jul 1, 2018 Sep 30, 2018 Arsenic MCL Yes No .0103 MG/L 0.010 mg/L — Resolved Sep 30, 2018 Arsenic Rule
Jan 1, 2018 Mar 31, 2018 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jul 1, 2017 Sep 30, 2017 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2017 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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