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AquaCensus

Public water system · 090600399

Active

Pit River Chimney Rock

At a glance

Pit River Chimney Rock (PWSID 090600399) is an active transient non-community water system in California. It reports serving 35 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025.

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

Population served

35

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSID090600399
System typeTransient non-community water system
Activity statusActive
Population served35
Service connections1
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyEPA Region 09
City served—
StateCalifornia
ZIP—
County—

How does Pit River Chimney Rock compare with other water systems in California?

By EPA's size categories, Pit River Chimney Rock is a very small system (500 people or fewer). Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Pit River Chimney Rock is well below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-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 Pit River Chimney Rock?

EPA lists Pit River Chimney Rock 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 Pit River Chimney Rock have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. The violations listed here began between October 2023 and November 2025. By type: 7 monitoring, 4 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 12 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-11-01Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2025-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-06-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2025-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-12-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-11-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-10-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

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.

Pit River Chimney Rock: frequently asked questions

Who runs Pit River Chimney Rock?

Pit River Chimney Rock (PWSID 090600399) is a transient non-community water system Native American-owned. It is regulated by the EPA Region 09.

How many people does Pit River Chimney Rock serve?

Pit River Chimney Rock reports serving 35 people through 1 service connection in California.

Where does Pit River Chimney Rock 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 Pit River Chimney Rock have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 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 Pit River Chimney Rock'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, none is health-based, and the most recent began in November 2025. For current results, consult EPA ECHO, or the EPA Region 09.

Where can I find Pit River Chimney Rock's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Pit River Chimney Rock is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

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, “Pit River Chimney Rock, PWSID 090600399, California”, https://aquacensus.com/water-systems/california/pit-river-chimney-rock-090600399 (data as of October 1, 2026).