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Public water system · OK2002701

Active

Nash

At a glance

Nash (PWSID OK2002701) is an active community water system in Grant County, Oklahoma. It reports serving 224 people through 145 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023.

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

Population served

224

Service connections

145

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOK2002701
System typeCommunity water system
Activity statusActive
Population served224
Service connections145
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyOK state drinking water program
City served—
StateOklahoma
ZIP—
CountyGrant County

How does Nash compare with other water systems in Grant County?

By EPA's size categories, Nash is a very small system (500 people or fewer). Grant County has 10 active public water systems, and Nash is the 6th-largest of them by population served. Its population served is about half of the county average of 409 people per system, and accounts for 5.5% of the 4,090 people reported by systems filed under the county. Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active community water system reports serving 6,703 people, so Nash 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. Oklahoma has 864 active community water systems, 69% of the state's 1,254 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 701 Oklahoma systems (56%) list groundwater as their primary source.

Who owns and regulates Nash?

EPA lists Nash as owned by a local government. The OK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 10 of the 10 active systems in Grant County (100%) are also owned by a local government.

Does Nash have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. The violations listed here began between January 2023 and January 2023. By type: 12 monitoring and reporting. The contaminants or rules involved are Benzene, cis-1,2-Dichloroethylene, 1,2-Dichloropropane and trans-1,2-Dichloroethylene. 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
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved

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.

Nash: frequently asked questions

Who runs Nash?

Nash (PWSID OK2002701) is a community water system owned by a local government. It is regulated by the OK state drinking water program.

How many people does Nash serve?

Nash reports serving 224 people through 145 service connections in Grant County, Oklahoma.

Where does Nash 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 Nash 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 January 2023. 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 Nash'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 January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.

Where can I find Nash's water quality report?

As a community water system, Nash 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 Grant County

Water systemCountyPopulation servedTypeSource
MedfordGrant1,172CommunityGroundwater
Pond CreekGrant982CommunityGroundwater
LamontGrant417CommunityGroundwater under influence of surface water
R&C Water CorpGrant400CommunityPurchased groundwater
WakitaGrant344CommunityGroundwater
Sw Water Inc.Grant200CommunityPurchased groundwater

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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, “Nash, PWSID OK2002701, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/nash-ok2002701 (data as of October 1, 2026).