Public water system · AR0000395
ActiveRosston Water Department
At a glance
Rosston Water Department (PWSID AR0000395) is an active community water system in Nevada County, Arkansas. It reports serving 750 people through 304 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
750
Service connections
304
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Rosston Water Department compare with other water systems in Nevada County?
By EPA's size categories, Rosston Water Department is a small system (501 to 3,300 people). Nevada County has 3 active public water systems, and Rosston Water Department is the 2nd-largest of them by population served. Its population served is about 60% below the county average of 1,893 people per system, and accounts for 13% of the 5,680 people reported by systems filed under the county. Across Arkansas, the 853 active systems average 3,592 people each. Nationally, the average active community water system reports serving 6,703 people, so Rosston Water Department 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. Arkansas has 660 active community water systems, 77% of the state's 853 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 461 Arkansas systems (54%) list groundwater as their primary source.
Who owns and regulates Rosston Water Department?
EPA lists Rosston Water Department as owned by a local government. The AR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 3 active systems in Nevada County (100%) are also owned by a local government.
Does Rosston Water Department have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2015. The violations listed here began between June 1990 and July 2015. By type: 2 public notice, recordkeeping or other, 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1990-06-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (pre-TCR)code 3000 | No | Archived |
All 5 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.
Rosston Water Department: frequently asked questions
Who runs Rosston Water Department?
Rosston Water Department (PWSID AR0000395) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Rosston Water Department serve?
Rosston Water Department reports serving 750 people through 304 service connections in Nevada County, Arkansas.
Where does Rosston Water Department 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 Rosston Water Department have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2015. 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 Rosston Water Department'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 5 violations for this system; 1 is health-based, and the most recent began in July 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Rosston Water Department's water quality report?
As a community water system, Rosston Water Department 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 Nevada County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Prescott Waterworks | Nevada | 4,500 | Community | Surface water |
| Willisville Waterworks | Nevada | 430 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Rosston Water Department, PWSID AR0000395, Arkansas”, https://aquacensus.com/water-systems/arkansas/rosston-water-department-ar0000395 (data as of October 1, 2026).