Public water system · IN5210009

Active

Rural Membership Water Corp. of Clark Co

At a glance

Rural Membership Water Corp. of Clark Co (PWSID IN5210009) is an active community water system in Clark County, Indiana. It reports serving 8,630 people through 3,452 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024.

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

Population served

8,630

Service connections

3,452

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDIN5210009

System typeCommunity water system

Activity statusActive

Population served8,630

Service connections3,452

Primary water sourcePurchased groundwater

Owner typeLocal government

Primacy agencyIN state drinking water program

City servedHenryville

StateIndiana

ZIP—

CountyClark County

How does Rural Membership Water Corp. of Clark Co compare with other water systems in Clark County?

By EPA's size categories, Rural Membership Water Corp. of Clark Co is a medium system (3,301 to 10,000 people). Clark County has 11 active public water systems. Its population served is about half of the county average of 16,950 people per system, and accounts for 4.6% of the 186,451 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active community water system reports serving 6,703 people, so Rural Membership Water Corp. of Clark Co is about 29% above 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. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 83 Indiana systems (2.1%) list purchased groundwater as their primary source.

Who owns and regulates Rural Membership Water Corp. of Clark Co?

EPA lists Rural Membership Water Corp. of Clark Co as owned by a local government. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 7 of the 11 active systems in Clark County (64%) are also owned by a local government.

Does Rural Membership Water Corp. of Clark Co have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. The violations listed here began between January 1993 and October 2024. By type: 6 monitoring and reporting, 3 contaminant level above the legal limit, 2 required treatment not met and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (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.

Began	Violation	Contaminant or rule	Health-based	Status
2024-10-17	Required treatment not metLSL Inventory · code 2E	Lead and Copper Rule Revisionscode 5200	Yes	Resolved
2024-10-17	ReportingLSL Reporting · code 4G	Lead and Copper Rule Revisionscode 5200	No	Resolved
2023-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2012-04-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2009-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2009-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2006-05-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2004-12-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
1995-11-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
1993-07-01	Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56	Lead and Copper Rulecode 5000	No	Resolved
1993-01-01	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved
1993-01-01	Monitoring and reportingWater Quality Parameter M/R · code 53	Lead and Copper Rulecode 5000	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.

Rural Membership Water Corp. of Clark Co: frequently asked questions

Who runs Rural Membership Water Corp. of Clark Co?

Rural Membership Water Corp. of Clark Co (PWSID IN5210009) is a community water system owned by a local government. It is regulated by the IN state drinking water program.

How many people does Rural Membership Water Corp. of Clark Co serve?

Rural Membership Water Corp. of Clark Co reports serving 8,630 people through 3,452 service connections in Clark County, Indiana.

Where does Rural Membership Water Corp. of Clark Co get its water?

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

Does Rural Membership Water Corp. of Clark Co have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 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 Rural Membership Water Corp. of Clark Co'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, 5 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.

Where can I find Rural Membership Water Corp. of Clark Co's water quality report?

As a community water system, Rural Membership Water Corp. of Clark Co 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 Clark County

Water system	County	Population served	Type	Source
Indiana American Water - S. Indiana	Clark	104,445	Community	Groundwater
Watson Rural Water Company	Clark	15,750	Community	Groundwater
Sellersburg Water Department	Clark	15,655	Community	Groundwater
Borden Tri-County Region	Clark	11,000	Community	Surface water
Charlestown/River Ridge	Clark	10,500	Non-transient non-community	Groundwater
Indiana American Water - Charlestown	Clark	8,658	Community	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, “Rural Membership Water Corp. of Clark Co, PWSID IN5210009, Indiana”, https://aquacensus.com/water-systems/indiana/rural-membership-water-corp-of-clark-co-in5210009 (data as of October 1, 2026).