Public water system · MS0550041
ActiveNicholson Water Association
At a glance
Nicholson Water Association (PWSID MS0550041) is an active community water system in Pearl River County, Mississippi. It reports serving 3,001 people through 982 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, none is health-based, and the most recent began in August 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,001
Service connections
982
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Nicholson Water Association compare with other water systems in Pearl River County?
By EPA's size categories, Nicholson Water Association is a small system (501 to 3,300 people). Pearl River County has 18 active public water systems. Its population served is roughly in line with the county average of 3,032 people per system, and accounts for 5.5% of the 54,569 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 Nicholson Water Association is about 55% 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 Nicholson Water Association?
EPA lists Nicholson 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. 10 of the 18 active systems in Pearl River County (56%) are also under public/private ownership.
Does Nicholson Water Association have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2024. The violations listed here began between July 2012 and August 2024. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Radium-226 (4 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 |
|---|---|---|---|---|
| 2024-08-17 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | 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.
Nicholson Water Association: frequently asked questions
Who runs Nicholson Water Association?
Nicholson Water Association (PWSID MS0550041) is a community water system under public/private ownership. It is regulated by the MS state drinking water program.
How many people does Nicholson Water Association serve?
Nicholson Water Association reports serving 3,001 people through 982 service connections in Pearl River County, Mississippi.
Where does Nicholson 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 Nicholson Water Association 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 August 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 Nicholson 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, none is health-based, and the most recent began in August 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 Nicholson Water Association's water quality report?
As a community water system, Nicholson 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 Pearl River County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Picayune Utilities, City of | Pearl River | 11,859 | Community | Groundwater |
| Pearl River Central W/A | Pearl River | 11,830 | Community | Groundwater |
| Center W/A-Caesar System | Pearl River | 6,455 | Community | Groundwater |
| Pearl River Central W/A-Henley Field | Pearl River | 4,438 | Community | Groundwater |
| Pearl River Central W/A-Bi Co | Pearl River | 4,406 | Community | Groundwater |
| City of Poplarville | Pearl River | 3,334 | 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, “Nicholson Water Association, PWSID MS0550041, Mississippi”, https://aquacensus.com/water-systems/mississippi/nicholson-water-association-ms0550041 (data as of October 1, 2026).