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Federal water data

County water report

Antrim County Water Report

Drinking-water compliance, watershed health, monitoring records, and river conditions for Antrim County, Michigan.

Water grade

F

Water score

40.8

State rank

#59

of 83

Health violations

3

EPA SDWIS, 5-year lookback

Watershed impaired

Not reported

EPA ATTAINS coverage varies by state

Monitoring sites

16

763 recent measurements

Live streamflow

No gauge

CLAM LAKE OUTLET TO TORCH LAKE NR ALDEN,MI

Water at a glance

Key Water Indicators for Antrim County

EPA SDWIS

Safety Grade

F

Score: 40.8 / 100

EPA SDWIS

Active Violations

3

5-year health-based lookback

EPA ATTAINS

Watershed Health

Not reported

Coverage varies by state

USGS NWIS

Streamflow Snapshot

No gauge

CLAM LAKE OUTLET TO TORCH LAKE NR ALDEN,MI

EPA WQP

Monitoring Sites

16

763 recent readings

Source: EPA SDWIS · Safe Drinking Water Information System

Drinking Water Compliance

Compliance grade

F

Based on EPA SDWIS compliance history.

Water score

Higher scores indicate cleaner recent compliance records.

40.8/100

Health violations

3

Health-based violations

Violations per 100K served

31.1

Population-normalized SDWIS rate

Editorial analysis

Understanding Antrim County’s Water

Drinking Water Quality Overview

EPA SDWIS

Antrim County's water systems carry a failing grade, scoring 40.8 out of 100. Over the past five years, EPA SDWIS records 3 health-based violations — a small cluster that warrants attention.

Monitoring Network

EPA WQP

EPA's Water Quality Portal (WQP) aggregates monitoring data from federal, state, and tribal agencies. Antrim County has moderate coverage with 16 active monitoring sites with 763 recent measurements on record. Predominant monitoring categories include microbiological and nutrient. More monitoring sites generally indicate greater scientific attention to local water conditions — and provide the baseline data that regulators use to set future impairment listings.

Editorial advisory

What the data suggests for Antrim County

Water Verdict

Antrim County receives a below-average water quality assessment with a grade of F and a score of 40.8 out of 100. Residents should review their utility's Consumer Confidence Report and may want to consider additional water filtration for drinking.

Violation Context

Antrim County has recorded 3 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 31.1 violations per 100,000 people served, this rate is high and signals significant water quality management issues.

Consumer Guidance

Drinking-water compliance in Antrim County is rated Grade F, reflecting significant health-based violations in the recent reporting period. Antrim County's drinking-water compliance score is 40.8 out of 100. The violation rate for Antrim County is 31.1 per 100,000 people served. An NSF 53 or NSF 58-certified filter is recommended for drinking and cooking water. Check the Consumer Confidence Report from your utility to identify the specific contaminants and required corrective actions — utilities are legally required to notify customers of violations. With 16 active water-quality monitoring sites in Antrim County, data coverage is strong. A pipeline streamflow snapshot from the CLAM LAKE OUTLET TO TORCH LAKE gauge is also available on this page.

Regional Context

Antrim County has poorer water quality than the average county in Michigan. Its water score is 17.7 points lower than the state average, suggesting more challenges with contamination control or infrastructure than neighboring counties.

Advisory text summarizes county-level public records and is not a replacement for your utility's current Consumer Confidence Report or direct local notices.

Contaminants & Resources

Key issues flagged in Antrim County's water environment

Official EPA Resources for Antrim County

EPA How's My Waterway

Interactive watershed health data for Antrim County

EPA ECHO: Drinking Water Systems

Search water utilities and violation records for Antrim County

Consumer Confidence Reports (MI)

Annual water quality reports from utilities in Michigan

Past 5 years

Water Quality Monitoring

Monitoring Sites

16

Active in the past 5 years

Measurements Recorded

763

763 total readings

Most Measured

  • Microbiological
  • Nutrient
  • Physical

Categories measured most frequently

Data from the EPA Water Quality Portal (WQP), aggregating monitoring records from federal, state, and tribal sources. Each measurement represents a single sample analyzed for a specific characteristic (e.g., E. coli, pH, dissolved oxygen, nitrogen).

Free tool

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Water Cost Estimate

3

3 people  ·  ~225 gal/day

Annual Total

$558

Monthly

$47

Water Bill

$558/yr

Filter Cost

$0/yr

Safety Grade for Antrim County:D — Poor

Elevated violations or significant watershed impairment.

Estimates use the national average residential water rate ($0.0068/gal, EPA/AWWA 2023) and EPA WaterSense per-person consumption baseline (75 gal/person/day). Actual bills vary by utility, usage tier, and local infrastructure fees. For informational purposes only.

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Frequently Asked Questions

What is the water quality in Antrim County, Michigan?
Antrim County, Michigan has a drinking-water quality grade of F with a score of 40.8/100, based on EPA SDWIS compliance data. The county has 3 health-based drinking water violations over the past 5 years. Watershed health, monitoring records, and streamflow snapshots are reported separately on this page.
Are there any water violations in Antrim County?
Antrim County has 3 health-based drinking water violations recorded by the EPA over the past 5 years. Health-based violations indicate instances where contaminant levels exceeded EPA Maximum Contaminant Levels (MCLs). Violations may have been resolved — check with your local water utility for current status.
How much water-quality monitoring happens in Antrim County?
EPA's Water Quality Portal records 763 measurements from 16 monitoring sites in Antrim County over the past five years. The most frequently measured characteristic groups are Microbiological, Nutrient, Physical. Each measurement is a single sample analyzed for one characteristic (E. coli, pH, dissolved oxygen, etc.). High monitoring density means more scientific evidence behind any reported signal — it does not by itself indicate water quality.
How does Antrim County water compare to the Michigan average?
Antrim County's SDWIS water quality score of 40.8/100 is lower than the Michigan state average of 58.5. The average water quality grade across Michigan is D, based on data from 83 counties with available SDWIS data.
Is tap water safe to drink in Antrim County?
Based on EPA SDWIS data, Antrim County has a water quality grade of F (40.8/100). This indicates below-average compliance with significant violations. Residents may want to consider home water filtration or independent testing. The grade speaks to the public water system, not the watershed — for watershed-level concerns, see the Watershed Health zone. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).
Does Antrim County have clean drinking water?
Antrim County has 3 health-based drinking water violations according to EPA records. With a water quality score of 40.8/100 and grade F, the county's drinking water has had some compliance issues but continues to be monitored. Note: drinking-water compliance speaks to the public water system, not necessarily to the watershed itself — check the Watershed Health zone for ATTAINS §303(d) data.
How does Antrim County rank for water quality in Michigan?
Antrim County ranks #59 out of 83 counties in Michigan by SDWIS water quality score (1 = best). With a score of 40.8/100, it falls in the bottom third of counties statewide. The ranking reflects EPA SDWIS compliance only — not watershed impairment, monitoring density, or streamflow, which are tracked separately on this page.

Counties with Similar Water Quality

Emmet County

Michigan

F

40.3

Water score

Iosco County

Michigan

F

39.3

Water score

Newaygo County

Michigan

D

42.8

Water score

Data Sources

Drinking-water compliance data from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.

Water-quality monitoring counts from the EPA Water Quality Portal (WQP), federated USGS, EPA, and state agency sampling records over a rolling 5-year window.

Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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