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Public water system · CA1410001

Active

Bishop, City of

At a glance

City of Bishop (PWSID CA1410001) is an active community water system in Inyo County, California. It reports serving 3,819 people through 1,171 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 2024.

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

Population served

3,819

Service connections

1,171

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA1410001
System typeCommunity water system
Activity statusActive
Population served3,819
Service connections1,171
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyCA state drinking water program
City servedBishop
StateCalifornia
ZIP—
CountyInyo County

How does City of Bishop compare with other water systems in Inyo County?

By EPA's size categories, City of Bishop is a medium system (3,301 to 10,000 people). Inyo County has 112 active public water systems, and City of Bishop is the 2nd-largest of them by population served. Its population served is about 8.7 times the county average of 442 people per system, and accounts for 7.7% of the 49,451 people reported by systems filed under the county. 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 City of Bishop is about 43% 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 City of Bishop?

EPA lists City of Bishop as owned by a local government. 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. 25 of the 112 active systems in Inyo County (22%) are also owned by a local government.

Does City of Bishop have drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 2024. The violations listed here began between November 2000 and July 2024. By type: 3 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 6 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
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2019-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2009-03-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2000-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 6 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.

City of Bishop: frequently asked questions

Who runs City of Bishop?

City of Bishop (PWSID CA1410001) is a community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does City of Bishop serve?

City of Bishop reports serving 3,819 people through 1,171 service connections in Inyo County, California.

Where does City of Bishop 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 City of Bishop have any drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 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 City of Bishop'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. EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find City of Bishop's water quality report?

As a community water system, City of Bishop 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 Inyo County

Water systemCountyPopulation servedTypeSource
Bishop Creek ChevronInyo16,793Transient non-communityGroundwater
Petite PantryInyo3,012Transient non-communityGroundwater
Lee'S FrontierInyo2,000Transient non-communityGroundwater
Inyo County PWD - Lone PineInyo1,835CommunityPurchased groundwater
Pearsonville Water SystemInyo1,515Transient non-communityGroundwater
Highland Mobile Home ParkInyo1,400CommunityGroundwater

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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, “Bishop, City of, PWSID CA1410001, California”, https://aquacensus.com/water-systems/california/bishop-city-of-ca1410001 (data as of October 1, 2026).