Public water system · MS0530017
ActiveRock Hill Water Association
At a glance
Rock Hill Water Association (PWSID MS0530017) is an active community water system in Oktibbeha County, Mississippi. It reports serving 915 people through 358 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
915
Service connections
358
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Rock Hill Water Association compare with other water systems in Oktibbeha County?
By EPA's size categories, Rock Hill Water Association is a small system (501 to 3,300 people). Oktibbeha County has 24 active public water systems. Its population served is well below the county average of 2,893 people per system, and accounts for 1.3% of the 69,436 people reported by systems filed under the county. Across Mississippi, the 1,133 active systems average 2,832 people each. Nationally, the average active community water system reports serving 6,703 people, so Rock Hill Water Association 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. Mississippi has 947 active community water systems, 84% of the state's 1,133 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,053 Mississippi systems (93%) list groundwater as their primary source.
Who owns and regulates Rock Hill Water Association?
EPA lists Rock Hill Water Association as under public/private ownership. The MS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 20 of the 24 active systems in Oktibbeha County (83%) are also under public/private ownership.
Does Rock Hill Water Association have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between January 2021 and October 2024. By type: 9 monitoring and reporting, 1 reporting, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 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 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | 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.
Rock Hill Water Association: frequently asked questions
Who runs Rock Hill Water Association?
Rock Hill Water Association (PWSID MS0530017) is a community water system under public/private ownership. It is regulated by the MS state drinking water program.
How many people does Rock Hill Water Association serve?
Rock Hill Water Association reports serving 915 people through 358 service connections in Oktibbeha County, Mississippi.
Where does Rock Hill Water Association 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 Rock Hill Water Association have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is 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 Rock Hill Water Association'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, one is 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 MS state drinking water program.
Where can I find Rock Hill Water Association's water quality report?
As a community water system, Rock Hill Water Association 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 Oktibbeha County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Starkville | Oktibbeha | 32,027 | Community | Groundwater |
| Ms State University | Oktibbeha | 15,000 | Community | Groundwater |
| Clayton Village W/A #1-East | Oktibbeha | 4,984 | Community | Groundwater |
| Oktoc Water Association #1 | Oktibbeha | 2,587 | Community | Groundwater |
| Adaton W/A #1-Josey Creek | Oktibbeha | 2,170 | Community | Groundwater |
| Talking Warrior Water Assn #1 | Oktibbeha | 1,539 | 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, “Rock Hill Water Association, PWSID MS0530017, Mississippi”, https://aquacensus.com/water-systems/mississippi/rock-hill-water-association-ms0530017 (data as of October 1, 2026).