Bay City Water Quality
Michigan
According to EPA SDWIS, Bay City, Michigan is served by 19 community water systems covering about 90,277 people. The same extract lists 7 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 Bay City, Michigan is delivered through 19 EPA-regulated community water systems serving an estimated 90,277 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 7 violation records across the 19 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, Lead and Copper Rule. 8 TRI-reporting industrial facilities are 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 Michigan 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 |
|---|---|---|---|
| BAY CITY, CITY OF | 32,255 | 4 | Health |
| BANGOR TOWNSHIP | 11,999 | 0 | Clean |
| HAMPTON TOWNSHIP | 9,652 | 0 | Clean |
| BAY CO. DEPT OF WATER & SEWER | 8,465 | 0 | Clean |
| WILLIAMS TOWNSHIP | 5,444 | 0 | Clean |
| MONITOR TOWNSHIP | 5,217 | 0 | Clean |
| FRANKENLUST TOWNSHIP | 3,626 | 0 | Clean |
| KAWKAWLIN TOWNSHIP | 3,170 | 3 | Health |
| BANGOR-MONITOR METRO DISTRICT | 2,971 | 0 | Clean |
| PINCONNING TOWNSHIP | 1,479 | 0 | Clean |
| MERRITT TOWNSHIP | 1,474 | 0 | Clean |
| FRASER TOWNSHIP | 1,226 | 0 | Clean |
| BEAVER TOWNSHIP | 1,211 | 0 | Clean |
| BEAVER ROAD AREA WATER ASSOC. | 829 | 0 | Clean |
| PORTSMOUTH TOWNSHIP | 535 | 0 | Clean |
| WISNER AREA WATER SYSTEM | 504 | 0 | Clean |
| AKRON TOWNSHIP | 219 | 0 | Clean |
| SAGINAW-MIDLAND WATER SUPPLY | 1 | 0 | Clean |
| BAY AREA WATER SYSTEM | 0 | 0 | Clean |
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 |
|---|---|---|
| KAWKAWLIN TOWNSHIP | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| KAWKAWLIN TOWNSHIP | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| KAWKAWLIN TOWNSHIP | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| BAY CITY, CITY OF | Lead and Copper Rule | 2024-01-01 |
| BAY CITY, CITY OF | Lead and Copper Rule | 2024-01-01 |
| BAY CITY, CITY OF | Lead and Copper Rule | 2024-01-01 |
| BAY CITY, CITY OF | Lead and Copper Rule | 2024-01-01 |
What are Bay City's health-based records for?
Bay City'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 | 4 | 1 |
| Lead and Copper Rule Revisions | 3 | 1 |
TRI Facilities in Bay City
| Facility | Total Releases |
|---|---|
| Michigan Sugar Co - Bay City Factory | 538.9K lbs |
| Mplx Terminals LLC - Bay City Mi Terminal | 16.7K lbs |
| Bay Cast - Webster Street Plant | 14.2K lbs |
| Quantum Composites Inc. | 8.4K lbs |
| Bay Cast - Center Street Plant | 5.0K lbs |
| General Motors LLC - Bay City Plant | 663 lbs |
| Straits Wood Treating | 0 lbs |
| Mersen USA Gs Corp - Bay City | 0 lbs |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Bay City, Michigan? ▼
How many water violations does Bay City have in this EPA extract? ▼
What contaminants were found in Bay City water? ▼
How many water systems serve Bay City? ▼
Where does Bay City get its drinking water? ▼
Are there pollution sources near Bay City? ▼
How does Bay City compare in Michigan?
Of the 604 Michigan places with at least one community water system on file, Bay City ranks #3 by number of systems (19).
Either side of it: Farmington Hills (89), Southfield (58), Traverse City (19), Waterford (19)
About This Data
Figures here are the current EPA SDWIS extract joined to the 19 community water systems whose service area lists Bay City, ranked against the 604 Michigan 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.