Public water system · ID2250134

Active

Pine Ridge Water and Sewer Dist

At a glance

Pine Ridge Water and Sewer Dist (PWSID ID2250134) is an active community water system in Idaho County, Idaho. It reports serving 390 people through 141 service connections. Its primary water source is purchased surface water, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025.

This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

390

Service connections

141

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDID2250134

System typeCommunity water system

Activity statusActive

Population served390

Service connections141

Primary water sourcePurchased surface water

Owner typePublic/private partnership

Primacy agencyID state drinking water program

City served—

StateIdaho

ZIP—

CountyIdaho County

How does Pine Ridge Water and Sewer Dist compare with other water systems in Idaho County?

By EPA's size categories, Pine Ridge Water and Sewer Dist is a very small system (500 people or fewer). Idaho County has 54 active public water systems, and Pine Ridge Water and Sewer Dist is the 6th-largest of them by population served. Its population served is about twice the county average of 185 people per system, and accounts for 3.9% of the 9,970 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active community water system reports serving 6,703 people, so Pine Ridge Water and Sewer Dist 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. Idaho has 765 active community water systems, 39% of the state's 1,961 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 15 Idaho systems (0.8%) list purchased surface water as their primary source.

Who owns and regulates Pine Ridge Water and Sewer Dist?

EPA lists Pine Ridge Water and Sewer Dist as under public/private ownership. The ID state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 54 active systems in Idaho County (5.6%) are also under public/private ownership.

Does Pine Ridge Water and Sewer Dist 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 2025. The violations listed here began between July 2018 and December 2025. By type: 9 monitoring and reporting and 3 monitoring. The contaminant or rule involved most often is Surface Water Treatment Rule (4 of them). EPA lists 8 as resolved, 3 as archived 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2025-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2025-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-11-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Archived
2025-11-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Archived
2025-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Unaddressed
2022-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2020-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-11-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2019-09-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2018-09-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2018-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2018-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved

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.

Pine Ridge Water and Sewer Dist: frequently asked questions

Who runs Pine Ridge Water and Sewer Dist?

Pine Ridge Water and Sewer Dist (PWSID ID2250134) is a community water system under public/private ownership. It is regulated by the ID state drinking water program.

How many people does Pine Ridge Water and Sewer Dist serve?

Pine Ridge Water and Sewer Dist reports serving 390 people through 141 service connections in Idaho County, Idaho.

Where does Pine Ridge Water and Sewer Dist get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Pine Ridge Water and Sewer Dist 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 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 Pine Ridge Water and Sewer Dist'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 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.

Where can I find Pine Ridge Water and Sewer Dist's water quality report?

As a community water system, Pine Ridge Water and Sewer Dist 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 Idaho County

Water system	County	Population served	Type	Source
Grangeville Water Dept	Idaho	3,151	Community	Groundwater
Cottonwood Water Dept	Idaho	977	Community	Groundwater
Kooskia Water Dept	Idaho	607	Community	Groundwater
Riggins City of	Idaho	434	Community	Groundwater
Idoc North Idaho Correctional Institute	Idaho	425	Community	Groundwater
Elk City Water and Sewer Assn	Idaho	320	Community	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, “Pine Ridge Water and Sewer Dist, PWSID ID2250134, Idaho”, https://aquacensus.com/water-systems/idaho/pine-ridge-water-and-sewer-dist-id2250134 (data as of October 1, 2026).