Robert William Park Water Association Inc.
EPA ID: WI2410589 · 1,065 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Robert William Park Water Association Inc. (WI2410589): no drinking-water violations recorded since 2021. From the earliest to the most recent cycle in the EPA data on file, Robert William Park Water Association Inc. has logged zero violations for the 1,065 people in its service area - a count of records, not a test result for any home.
Data: EPA SDWIS
Service Area Map
Coverage area for Robert William Park Water Association Inc. Source: EPA SDWIS service area boundaries.
Service area boundary - average Home Safety grade of mapped ZIPs: B
Demographics of ZIP Codes Served
The ZIP codes associated with Robert William Park Water Association Inc. have a median household income of $54,433 and about 25,277 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 89% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 49% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Robert William Park Water Association Inc.'s water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Wisconsin
System Overview
Robert William Park Water Association Inc. (EPA ID: WI2410589) is a community water system in Wisconsin that serves approximately 1,065 people from groundwater sources.
This system serves ZIP code 53225 in Milwaukee.
ZIP-Area Home Safety Context: B (83/100)
This is the average Home Safety Score for 1 of 1 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0021 mg/L | No | 2024-09-30 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by WI or modeled from parcel and building-footprint data.
- 53225 - Milwaukee
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Robert William Park Water Association Inc. (WI2410589) on EPA.gov.
Frequently Asked Questions
Is Robert William Park Water Association Inc. water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Robert William Park Water Association Inc. in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Robert William Park Water Association Inc. serve?
Robert William Park Water Association Inc. serves approximately 1,065 people across 1 ZIP code in Wisconsin.
Where does Robert William Park Water Association Inc. get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Robert William Park Water Association Inc. Water Report, WI. https://zipcheckup.com/water-system/wi2410589/
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title = {{Robert William Park Water Association Inc. Water Report, WI}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wi2410589/}
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