Public water system · MS0710011
ActiveWalker Switch Water Assn
At a glance
Walker Switch Water Assn (PWSID MS0710011) is an active community water system in Tishomingo County, Mississippi. It reports serving 982 people through 372 service connections. Its primary water source is purchased groundwater, and EPA lists it as under public/private ownership. EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in April 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
982
Service connections
372
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Walker Switch Water Assn compare with other water systems in Tishomingo County?
By EPA's size categories, Walker Switch Water Assn is a small system (501 to 3,300 people). Tishomingo County has 10 active public water systems. Its population served is about half of the county average of 2,168 people per system, and accounts for 4.5% of the 21,680 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 Walker Switch Water Assn 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 66 Mississippi systems (5.8%) list purchased groundwater as their primary source.
Who owns and regulates Walker Switch Water Assn?
EPA lists Walker Switch Water Assn 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. 4 of the 10 active systems in Tishomingo County (40%) are also under public/private ownership.
Does Walker Switch Water Assn have drinking water violations?
EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in April 2024. The violations listed here began between June 1991 and April 2024. By type: 5 monitoring and reporting, 2 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 4 as resolved and 4 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 |
|---|---|---|---|---|
| 2024-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2019-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2011-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-11-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1991-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 8 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.
Walker Switch Water Assn: frequently asked questions
Who runs Walker Switch Water Assn?
Walker Switch Water Assn (PWSID MS0710011) is a community water system under public/private ownership. It is regulated by the MS state drinking water program.
How many people does Walker Switch Water Assn serve?
Walker Switch Water Assn reports serving 982 people through 372 service connections in Tishomingo County, Mississippi.
Where does Walker Switch Water Assn 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 Walker Switch Water Assn have any drinking water violations?
EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in April 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 Walker Switch Water Assn'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 8 violations for this system; 2 are health-based, and the most recent began in April 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 Walker Switch Water Assn's water quality report?
As a community water system, Walker Switch Water Assn 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 Tishomingo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Iuka | Tishomingo | 7,268 | Community | Groundwater |
| Short-Coleman Park Water Assn #3 | Tishomingo | 2,606 | Community | Groundwater |
| Tishomingo Co Water District | Tishomingo | 2,598 | Community | Groundwater |
| Town of Belmont | Tishomingo | 2,250 | Community | Groundwater |
| Town of Golden Water Dept | Tishomingo | 1,848 | Community | Groundwater |
| Short Coleman Park-Nasa Plant | Tishomingo | 1,800 | 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, “Walker Switch Water Assn, PWSID MS0710011, Mississippi”, https://aquacensus.com/water-systems/mississippi/walker-switch-water-assn-ms0710011 (data as of October 1, 2026).