Skip to content
AquaCensus

Public water system · CA0300043

Active

Ok Corral

At a glance

Ok Corral (PWSID CA0300043) is an active transient non-community water system in Amador County, California. It reports serving 25 people through 8 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024.

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

Population served

25

Service connections

8

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA0300043
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections8
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyAmador County

How does Ok Corral compare with other water systems in Amador County?

By EPA's size categories, Ok Corral is a very small system (500 people or fewer). Amador County has 67 active public water systems. Its population served is well below the county average of 645 people per system, and accounts for less than 0.1% of the 43,217 people reported by systems filed under the county. 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 Ok Corral 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 Ok Corral?

EPA lists Ok Corral as privately owned. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 46 of the 67 active systems in Amador County (69%) are also privately owned.

Does Ok Corral have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. The violations listed here began between March 2008 and December 2024. By type: 6 monitoring and 6 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (6 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
2024-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2022-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2018-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2015-07-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2013-04-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2008-03-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

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.

Ok Corral: frequently asked questions

Who runs Ok Corral?

Ok Corral (PWSID CA0300043) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Ok Corral serve?

Ok Corral reports serving 25 people through 8 service connections in Amador County, California.

Where does Ok Corral 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 Ok Corral 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 December 2024. 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 Ok Corral'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 December 2024. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Ok Corral's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Ok Corral 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 Amador County

Water systemCountyPopulation servedTypeSource
Awa Buckhorn PlantAmador8,791CommunitySurface water
Awa, IoneAmador7,227CommunitySurface water
City of JacksonAmador5,019CommunityPurchased surface water
Awa, TannerAmador4,940CommunitySurface water
Jackson Valley Irrigation DistrictAmador3,553CommunitySurface water
Awa - Camanche VillageAmador2,402CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Ok Corral, PWSID CA0300043, California”, https://aquacensus.com/water-systems/california/ok-corral-ca0300043 (data as of October 1, 2026).