Winona Water Quality
Mississippi
According to EPA SDWIS, Winona, Mississippi is served by 11 community water systems covering about 9,772 people. The same extract lists 14 health-based violation records, most recently coded 5200 in 2024. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Winona, Mississippi is delivered through 11 EPA-regulated community water systems serving an estimated 9,772 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.
PlainEnviro's health-based SDWIS extract shows 14 violation records across the 11 active community systems shown here. Monitoring and reporting records are not present in the extract. The records carry 2 distinct EPA contaminant codes: LEAD AND COPPER RULE REVISIONS, Groundwater Rule. 1 TRI-reporting industrial facility is also located within the city limits.
A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the Mississippi drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.
Community Water Systems
| System Name | Pop. Served | Violations | Status |
|---|---|---|---|
| CITY OF WINONA | 5,071 | 1 | Health |
| SOUTH WINONA WATER ASSOCIATION | 874 | 0 | Clean |
| HAYS CREEK W/A - ALVA | 750 | 2 | Health |
| HAYS CREEK W/A-MINERVA #2 | 750 | 0 | Clean |
| NORTH DISTRICT 1 WATER ASSN. | 700 | 0 | Clean |
| 51-55 WATER ASSOCIATION | 441 | 0 | Clean |
| HAYS CREEK W/A-LODI | 441 | 2 | Health |
| HAYS CREEK W/A-MINERVA | 372 | 3 | Health |
| HAYS CREEK W/A-NEW LIBERTY | 193 | 2 | Health |
| HAYS CREEK W/A-MISSION ROAD | 98 | 2 | Health |
| HAYS CREEK W/A-LEGION LAKE RD | 82 | 2 | Health |
Does this city have health-based water violations?
These health-based records can represent Maximum Contaminant Level (MCL), Treatment Technique (TT), or Maximum Residual Disinfectant Level (MRDL) categories. A historical record does not establish that water is currently unsafe.
| Water system | Contaminant | Begin Date |
|---|---|---|
| HAYS CREEK W/A - ALVA | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A - ALVA | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-LODI | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-LODI | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-LEGION LAKE RD | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-LEGION LAKE RD | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-NEW LIBERTY | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-NEW LIBERTY | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-MINERVA | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-MINERVA | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| CITY OF WINONA | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-MISSION ROAD | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-MISSION ROAD | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HAYS CREEK W/A-MINERVA | Groundwater Rule | 2012-01-01 |
What are Winona's health-based records for?
Winona's health-based violation records carry 2 distinct EPA codes: some name a substance, others the drinking-water rule that was breached. Counts are records on file in the EPA SDWIS extract, not current test results.
| Contaminant | Records | Systems |
|---|---|---|
| Lead and Copper Rule Revisions | 13 | 7 |
| Groundwater Rule | 1 | 1 |
TRI Facilities in Winona
| Facility | Total Releases |
|---|---|
| Biewer Sawmill Winona Inc. | 90.5K lbs |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Winona, Mississippi? ▼
How many water violations does Winona have in this EPA extract? ▼
What contaminants were found in Winona water? ▼
How many water systems serve Winona? ▼
Where does Winona get its drinking water? ▼
Are there pollution sources near Winona? ▼
How does Winona compare in Mississippi?
Of the 356 Mississippi places with at least one community water system on file, Winona ranks #3 by number of systems (11).
Either side of it: Starkville (14), Oxford (11), Brandon (10), Gulfport (10)
About This Data
Figures here are the current EPA SDWIS extract joined to the 11 community water systems whose service area lists Winona, ranked against the 356 Mississippi places with at least one system on file. Data current as of 2026-08-25.
Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.
A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.
TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.
Read our methodology - how this data is sourced, computed, and verified.