PlainWater

STEPHENSON

PWS ID: MI0006380 · STEPHENSON, Michigan 49887-0467

STEPHENSON serves 862 people in STEPHENSON, Michigan using Groundwater water sources. It has 17 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: STEPHENSON

STEPHENSON is a local-owned community water system that delivers drinking water to 862 residents in STEPHENSON, Michigan (Menominee County) through 372 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 17 total violations for this system , of which 8 (47%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 8 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 8 violations (MCL, health-based). 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. STEPHENSON's 17 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.

Population Served
862
Total Violations
17
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
372
County
Menominee
School/Daycare
No
MCL Violations
8
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 8 2005
Coliform (TCR) MR 4 2008
Chlorine MR 4 2023

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 STEPHENSON.

Federal Source of Truth

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 MI0006380 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Michigan Drinking Water Authority

Michigan EGLE — Drinking Water and Environmental Health Division is the primacy agency that licenses and inspects STEPHENSON under EPA-delegated authority.

Open MI regulator portal

Source: Michigan EGLE — Drinking Water and Environmental Health Division

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 Chlorine MR 4 SDWIS / MI0006380 / 0999
2008 Coliform (TCR) MR 4 SDWIS / MI0006380 / 3100
2005 Combined Radium (-226 and -228) MCL 8 SDWIS / MI0006380 / 4010

How STEPHENSON Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric STEPHENSON Michigan avg Federal benchmark
Total violations 17 23.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 8 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 862 830 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 STEPHENSON water safe to drink?
STEPHENSON (PWS ID: MI0006380) has 17 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 862 people using Groundwater sources.
How many people does STEPHENSON serve?
STEPHENSON serves 862 people in STEPHENSON, Michigan. It is a Local-owned system using Groundwater water sources with 372 service connections.
What type of violations does STEPHENSON have?
STEPHENSON has 17 total violations: 8 health-based violations (MCL exceedances or treatment failures), 8 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in STEPHENSON water?
No PFAS testing data is available for STEPHENSON under the EPA's UCMR5 monitoring program.
What water source does STEPHENSON use?
STEPHENSON uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial