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Public water system · 090600120

Active

Big Pine Paiute Band

At a glance

Big Pine Paiute Band (PWSID 090600120) is an active community water system in California. It reports serving 600 people through 193 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

600

Service connections

193

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSID090600120
System typeCommunity water system
Activity statusActive
Population served600
Service connections193
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyEPA Region 09
City servedBig Pine Reservation
StateCalifornia
ZIP—
County—

How does Big Pine Paiute Band compare with other water systems in California?

By EPA's size categories, Big Pine Paiute Band is a small system (501 to 3,300 people). Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so Big Pine Paiute Band is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active community water systems, 40% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.

Who owns and regulates Big Pine Paiute Band?

EPA lists Big Pine Paiute Band as Native American-owned. The EPA Region 09 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.

Does Big Pine Paiute Band have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2025. The violations listed here began between January 2000 and July 2025. By type: 6 monitoring and reporting, 4 contaminant level above the legal limit, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 11 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesUnaddressed
2024-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2021-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2021-04-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2021-04-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2013-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2003-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Tetrachloroethylenecode 2987YesResolved
2002-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2000-05-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
2000-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Tetrachloroethylenecode 2987YesResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Big Pine Paiute Band: frequently asked questions

Who runs Big Pine Paiute Band?

Big Pine Paiute Band (PWSID 090600120) is a community water system Native American-owned. It is regulated by the EPA Region 09.

How many people does Big Pine Paiute Band serve?

Big Pine Paiute Band reports serving 600 people through 193 service connections in California.

Where does Big Pine Paiute Band get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Big Pine Paiute Band have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Big Pine Paiute Band's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 09.

Where can I find Big Pine Paiute Band's water quality report?

As a community water system, Big Pine Paiute Band must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in California

Water systemCountyPopulation servedTypeSource
Los Angeles-City, Dept. of Water & PowerLos Angeles3,875,566CommunitySurface water
East Bay MUDAlameda1,442,800CommunitySurface water
San Diego, City ofSan Diego1,385,379CommunitySurface water
San Jose WaterSanta Clara1,039,920CommunitySurface water
Sfpuc City Distribution DivisionSan Francisco848,019CommunityPurchased surface water
Eastern Municipal WdRiverside666,581CommunityPurchased surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Big Pine Paiute Band, PWSID 090600120, California”, https://aquacensus.com/water-systems/california/big-pine-paiute-band-090600120 (data as of October 1, 2026).