Drinking water quality · 1994
· Verified
What's in Ann Arbor, MI tap water
1 contaminants were measured in the Ann Arbor, MI water system's 1994 annual report. Each is shown below against its federal limit.
- Reporting year
- 1994
- Contaminants measured
- 1
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- MI
PFAS — EPA UCMR5 (2023–2025)
3 PFAS compounds detected in Ann Arbor, MI
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
PFBA
● Detected (no federal limit)PFPeA
● Detected (no federal limit)PFHxA
● Detected (no federal limit)Where your water comes from · EPA SDWIS
Ann Arbor, MI's drinking water comes from ground water, drawn from 5 sources.
Source
- WELL · 2
- HURON RIVER AT BARTON POND
- WELL 74-1
- HURON RIVER BARTON POND
Treatment
- TREATMENT PLANT
Distribution
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Treatment technique violationHealth-based30 violations on record · most recent Jan 2008resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0076 mg/L90th percentileAt the tap | 0.015 mg/LAction level | Within the limit |
People also ask about Ann Arbor, MI's water
+Is Ann Arbor, MI tap water safe to drink in 1994?
Every one of the 1 contaminants measured in Ann Arbor, MI's 1994 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Ann Arbor, MI tap water?
1 contaminants were measured in Ann Arbor, MI's 1994 Consumer Confidence Report, spanning metals. 1 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Ann Arbor, MI's 1994 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Ann Arbor, MI's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 1994 report; a new report will replace it once the utility publishes its next annual update.