PlainWater
States → Michigan

HANCOCK

PWS ID: MI0002980 · HANCOCK, Michigan 49930

HANCOCK serves 4,500 people in HANCOCK, Michigan using Groundwater water sources. It has 21 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HANCOCK

HANCOCK is a local-owned community water system that delivers drinking water to 4,500 residents in HANCOCK, Michigan (Houghton County) through 1,672 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 21 total violations for this system , of which 3 (14%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 15 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 Lead and Copper Rule, recorded in 6 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. HANCOCK's 21 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
4,500
Total Violations
21
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,672
County
Houghton
School/Daycare
No
MCL Violations
3
Monitoring Violations
15
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 6 2023
Coliform (TCR) MR 3 1991
Coliform (TCR) MCL 3 1993
TTHM MR 3 2016
Total Haloacetic Acids (HAA5) MR 3 2016
Consumer Confidence Rule Other 2 2021

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
8:2 FTS 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/2/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFPeA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/2/2023 <0.02 µg/L 0.02 µg/L Not Detected
lithium 5/2/2023 <9 µg/L 9 µg/L Not Detected
NEtFOSAA 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/2/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 5/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/2/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHxA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 5/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 5/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 11/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 11/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 11/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 11/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 11/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 11/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 11/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 11/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 11/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 11/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 11/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 11/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 11/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 11/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 11/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 11/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 11/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 11/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 11/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 11/14/2023 <0.02 µg/L 0.02 µg/L Not Detected

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 HANCOCK.

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 MI0002980 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 HANCOCK 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 Lead and Copper Rule MR 6 SDWIS / MI0002980 / 5000
2021 Consumer Confidence Rule Other 2 SDWIS / MI0002980 / 7000
2016 TTHM MR 3 SDWIS / MI0002980 / 2950
2016 Total Haloacetic Acids (HAA5) MR 3 SDWIS / MI0002980 / 2456
1993 Coliform (TCR) MCL 3 SDWIS / MI0002980 / 3100
1991 Coliform (TCR) MR 3 SDWIS / MI0002980 / 3100

How HANCOCK Compares

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

Metric HANCOCK Michigan avg Federal benchmark
Total violations 21 23.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 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 4,500 830 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 HANCOCK water safe to drink? ▼
HANCOCK (PWS ID: MI0002980) has 21 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,500 people using Groundwater sources.
How many people does HANCOCK serve? ▼
HANCOCK serves 4,500 people in HANCOCK, Michigan. It is a Local-owned system using Groundwater water sources with 1,672 service connections.
What type of violations does HANCOCK have? ▼
HANCOCK has 21 total violations: 3 health-based violations (MCL exceedances or treatment failures), 15 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HANCOCK water? ▼
No. HANCOCK was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does HANCOCK use? ▼
HANCOCK 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

Water in Michigan

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Michigan

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial