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Public water system · OK2005001

Active

Sulphur

At a glance

Sulphur (PWSID OK2005001) is an active community water system in Murray County, Oklahoma. It reports serving 4,929 people through 2,542 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2009.

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

Population served

4,929

Service connections

2,542

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOK2005001
System typeCommunity water system
Activity statusActive
Population served4,929
Service connections2,542
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyOK state drinking water program
City served—
StateOklahoma
ZIP—
CountyMurray County

How does Sulphur compare with other water systems in Murray County?

By EPA's size categories, Sulphur is a medium system (3,301 to 10,000 people). Murray County has 9 active public water systems, and Sulphur is the 2nd-largest of them by population served. Its population served is about twice the county average of 2,384 people per system, and accounts for 23% of the 21,453 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 Sulphur is about 26% 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 Sulphur?

EPA lists Sulphur 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. 6 of the 9 active systems in Murray County (67%) are also owned by a local government.

Does Sulphur have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2009. The violations listed here began between January 2007 and October 2009. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Nitrate-Nitrite (2 of them). EPA lists 3 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
2009-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved

All 3 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.

Sulphur: frequently asked questions

Who runs Sulphur?

Sulphur (PWSID OK2005001) is a community water system owned by a local government. It is regulated by the OK state drinking water program.

How many people does Sulphur serve?

Sulphur reports serving 4,929 people through 2,542 service connections in Murray County, Oklahoma.

Where does Sulphur 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 Sulphur have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2009. 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 Sulphur'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 3 violations for this system; none is health-based, and the most recent began in October 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.

Where can I find Sulphur's water quality report?

As a community water system, Sulphur 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 Murray County

Water systemCountyPopulation servedTypeSource
Falls Creek Baptist Conference CenterMurray7,000CommunitySurface water
Murray Co Rwd # 1Murray4,800CommunityGroundwater
DavisMurray2,610CommunitySurface water
Buckhorn Rwd #2Murray1,260CommunityPurchased groundwater
West Davis RwdMurray500CommunityPurchased surface water
DoughertyMurray224CommunityPurchased 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, “Sulphur, PWSID OK2005001, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/sulphur-ok2005001 (data as of October 1, 2026).