No open EPA violations as of 2026-09-16.
EPA record checked 2026-10-06
From EPA's record for WI1130224. PurityMap is independent of Madison Water Utility.
Your water bill lists the utility's phone number and website.
Every community water system publishes one each year. Your water bill or the utility's website links to it.
As listed in EPA's records. Your water bill names your supplier.
Are you this utility? Correct this listing →
31 results are on record. These 5 come first, closest to a legal limit first.
1health-based violation in the last 10 years · none open as of 2026-09-16
From EPA SDWIS. Counted once per contaminant per year in the Track record subject score. A violation record is a compliance fact, not a health verdict.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
One email when a new sampling round is published or a result moves across its reference.
Follow this water →PurityMap has no verified website for Madison Water Utility. Your water bill lists the ways to pay. PurityMap does not take payments.
EPA's records list Madison Water Utility as serving Madison, Wisconsin. Your water bill names your supplier.
PurityMap's record for Madison Water Utility holds results for 29 PFAS substances. 2 were detected, and none is above a federal legal limit. Each result links to its source in the city report.
No open EPA violations as of 2026-09-16: that is what EPA's record shows for Madison Water Utility. The record comes from EPA's SDWIS compliance database.
Madison Water Utility is on EPA record as drawing from groundwater.
Start with the hot-or-cold tap check. Where Madison Water Utility reported something related, it's shown below.
Lead at Madison Water Utility: 1.8 µg/L (90th percentile, 2023 monitoring period). Lead has no taste, so a taste neither shows nor rules it out.