Water Quality in 53201 — Milwaukee, WI
EPA data for MILWAUKEE WATERWORKS
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 53201 in Milwaukee, Wisconsin is served by MILWAUKEE WATERWORKS (EPA ID: WI2410100). This system provides water to approximately 626,000 people from surface water sources.
There are 21 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| June 1, 2023 | Stage 1 DBP Rule | Monitoring | Unresolved |
| June 1, 2023 | Stage 1 DBP Rule | Monitoring | Unresolved |
| June 1, 2023 | Stage 1 DBP Rule | Monitoring | Unresolved |
| March 24, 2023 | Stage 1 DBP Rule | Monitoring | Unresolved |
| March 24, 2023 | Stage 1 DBP Rule | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2021 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2022 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2031 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2032 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2033 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2034 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2036 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2037 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2040 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2041 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2042 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2043 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2044 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2045 | Monitoring | Unresolved |
| January 1, 2023 | Contaminant 2046 | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 5 | No |
| Contaminant 2021 | Other | 2 | No |
| Contaminant 2022 | Other | 2 | No |
| Contaminant 2031 | Other | 2 | No |
| Contaminant 2032 | Other | 2 | No |
| Contaminant 2033 | Other | 2 | No |
| Contaminant 2034 | Other | 2 | No |
| Contaminant 2036 | Other | 2 | No |
| Contaminant 2037 | Other | 2 | No |
| Contaminant 2040 | Other | 2 | No |
| Contaminant 2041 | Other | 2 | No |
| Contaminant 2042 | Other | 2 | No |
| Contaminant 2043 | Other | 2 | No |
| Contaminant 2044 | Other | 2 | No |
| Contaminant 2045 | Other | 2 | No |
Need help with your water quality?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| MILWAUKEE WATERWORKS | WI2410100 | 626,000 | Surface water |
| NORTH SHORE WATER COMMISSION | WI2413515 | 35,598 | Surface water |
| WHITEFISH BAY WATERWORKS | WI2410597 | 14,272 | Surface water |
| ROBERT WILLIAM PARK WATER ASSOCIATION INC | WI2410589 | 1,065 | Groundwater |
| PIONEER ESTATES OF DELAVAN | WI2650116 | 400 | Groundwater |
What You Can Do
- Review your annual Consumer Confidence Report (CCR) — Your utility publishes this each July
- Test your home’s water — Especially if you have older plumbing (pre-1986) that may contain lead
- Stay informed — Bookmark this page to check for updates on your water quality
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in Wisconsin
- 53001 (Adell) — 2 violations
- 53002 (Allenton)
- 53004 (Belgium) — 2 violations
- 53005 (Brookfield) — 22 violations
- 53006 (Brownsville) — 4 violations
- 53007 (Butler) — 5 violations
- 53010 (Campbellsport) — 26 violations
- 53011 (Cascade)
- 53012 (Cedarburg)
- 53013 (Cedar Grove)
- 53014 (Chilton) — 4 violations
- 53015 (Cleveland) — 2 violations
- 53016 (Clyman) — 3 violations
- 53017 (Colgate)
- 53018 (Delafield) — 21 violations
- 53019 (Eden)
- 53020 (Elkhart Lake)
- 53051 (Menomonee Falls) — 1 violation
- 53061 (New Holstein) — 4 violations
- 53081 (Sheboygan) — 10 violations
Nearby Water Quality Reports
- 53007 (Butler) — 9 mi — 5 violations
- 53005 (Brookfield) — 10 mi — 22 violations
- 53146 (New Berlin) — 13 mi — 1 violation
- 53051 (Menomonee Falls) — 13 mi — 1 violation
- 53186 (Waukesha) — 16 mi — 302 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for MILWAUKEE WATERWORKS (WI2410100) on EPA.gov.
Frequently Asked Questions
Is the tap water in 53201 safe to drink?
Based on EPA records, the water system serving ZIP code 53201 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.
Where does 53201’s water come from?
The primary water source for this area is surface water. MILWAUKEE WATERWORKS serves approximately 626,000 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 53201 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 53201. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 53201?
Radon zone data is not available for ZIP code 53201. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.