Ann Arbor
Drinking water quality, contact, and Consumer Confidence Report
Serving 2 cities in MI · PWSID MI0000220
Ann Arbor serves 118,017 people. 1 contaminant currently exceed health-based guidelines — full breakdown below.
- People served
- 118,017
- Last EPA sample
- 2025-10-13
- PFAS
- Not detected above guidelines
- Active violations
- None
Data sources: EPA SDWIS, Ann Arbor's published Consumer Confidence Report, Michigan Department of Environmental Protection.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Official Ann Arbor Resources
Ann Arbor Service Area
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This map shows the approximate service area for Ann Arbor. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
Ann Arbor Water Quality Grade
Water meets all health guidelines with no violations.
Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).
Is Ann Arbor Water Safe to Drink?
Ann Arbor has reported 1 contaminant above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 118,017 people across 2 cities in MI. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.
Get your water independently tested in Michigan →How does Michigan water quality rank nationally? →
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Michigan
Learn more about the contaminants detected in Ann Arbor:
Ann Arbor Service Area
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Ann Arbor Contact & Information
Phone
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for Ann Arbor
| Name | Title | Phone | |
|---|---|---|---|
| J████ S████ | Water Treatment Supervisor | (555) ███-████ | j████@city████.gov |
| M████ J██████ | Utility Director | (555) ███-████ | m████@water████.org |
Water Sources & Treatment
Water Sources
Treatment Methods
Disinfectant Used
chloramines, ozone, uv light
Ann Arbor Consumer Confidence Report
A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act §1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.
A current CCR for Ann Arbor has not been published or validated on TapWaterData yet.
Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.
Concerned about what's in your water?
You're viewing 1 contaminant above health-based guidelines here. Your own tap water can differ — upload your test (PDF or a photo) and we'll email a full plain-English reading of every number, free.
Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.
Upload my testRecommended Water Filters for Ann Arbor
Based on water quality data from cities served by Ann Arbor, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Frequently Asked Questions about Ann Arbor
Is Ann Arbor water safe to drink?
Does Ann Arbor have PFAS in its water?
How do I pay my Ann Arbor water bill?
How many people does Ann Arbor serve?
What cities does Ann Arbor serve?
Does Ann Arbor have any EPA violations?
What is Ann Arbor's phone number?
Where can I find Ann Arbor's Consumer Confidence Report?
Similar water utilities in Michigan
How we built this page
Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data — typically within days of an EPA SDWIS refresh.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: Ann Arbor's most recent published Consumer Confidence Report (CCR), where available.
- Service area & contact: EPA SDWIS plus the Michigan Department of Environmental Protection / Drinking Water program.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
Are you Ann Arbor? Publish your 2027 CCR
TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here — it inherits this page's search authority and reaches every customer who Googles Ann Arbor.
- EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
- Publish once a year. Agent-assisted workflow; no login setup for small systems.
- Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
Free for operators. No card required. Typical setup: 5 minutes.
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Residents keep our data honest.
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