Community Water System · PWS MI0002836
Gratiot Area Water Authority
St. Louis, Michigan 48880-1545 — drinking water served from surface water sources to 0 people, tracked in EPA SDWIS and UCMR5.
- 0
- People served
- 0
- EPA violations
- 0
- Health-based
- Untested
- UCMR5 result
The verdict
Gratiot Area Water Authority carries a clean Safe Drinking Water Act record — zero EPA violations.
- 0
- Total EPA violations on record
- 0%
- Health-based (MCL / treatment failure)
- 0
- People served by this system
- N/A
- PFAS compounds detected (UCMR5)
Water Quality Snapshot: Gratiot Area Water Authority
Gratiot Area Water Authority is a local-owned community water system that delivers drinking water to 0 residents in St. Louis, Michigan (Gratiot County) through 2 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 0 total violations for this system , giving it a clean Safe Drinking Water Act compliance record.
No specific contaminant violations have been recorded in EPA's detailed violation register for this system. This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across Michigan, EPA tracks 10,959 public water systems serving 9,098,093 people, with 255,201 cumulative violations and 31,467 health-based violations on record. About 86% of systems in the state carry at least one violation, and state-wide the average per system is 23.3 violations. Gratiot Area Water Authority's 0 violations sit below the Michigan average. Statewide, 87 of 318 UCMR5-tested systems have reported PFAS detections (27.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 2
- County
- Gratiot
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 0
- Treatment Tech Violations
- 0
Verify This Water System
The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Gratiot Area Water Authority.
EPA SDWIS — Federal Reports
EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:
View PWS ID MI0002836 on SDWISSource: EPA SDWIS Federal Reports Search
Michigan Drinking Water Authority
Michigan EGLE — Drinking Water and Environmental Health Division is the primacy agency that licenses and inspects Gratiot Area Water Authority under EPA-delegated authority.
Open MI regulator portalSource: Michigan EGLE — Drinking Water and Environmental Health Division
How Gratiot Area Water Authority Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | Gratiot Area Water Authority | Michigan avg | Federal benchmark |
|---|---|---|---|
| Total violations | 0 | 23.3 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 0 | 2.9 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 27.4% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 0 | 830 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,959 regulated public water systems in Michigan.
Federal MCL reference — Safe Drinking Water Act thresholds ▼
| Contaminant | Federal MCL / Action Level | Note |
|---|---|---|
| Lead | 0 mg/L (Action Level: 0.015 mg/L) | Lead and Copper Rule treatment technique |
| Arsenic | 0.010 mg/L (10 ppb) | Health-based MCL since 2006 |
| Total Coliform | Treatment technique (RTCR) | Indicator organism, monitoring trigger |
| PFOA / PFOS (PFAS) | 4.0 ppt each (final 2024 rule) | Compliance deadline 2029 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
Is Gratiot Area Water Authority water safe to drink? ▼
How many people does Gratiot Area Water Authority serve? ▼
What type of violations does Gratiot Area Water Authority have? ▼
Has PFAS been detected in Gratiot Area Water Authority water? ▼
What water source does Gratiot Area Water Authority use? ▼
Where does this data come from? ▼
Explore PlainWater
Read our methodology — how this data is sourced, computed, and verified.