Mission Lakes Ii
EPA ID: WI2685839 · 68 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Mission Lakes Ii (WI2685839): no drinking-water violations recorded since 2021. Zero violations are listed in EPA monitoring data for Mission Lakes Ii; a count of records like this is not a water-quality test for the 68 residents it serves.
Data: EPA SDWIS
Service Area Map
Coverage area for Mission Lakes Ii Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Mission Lakes Ii have a median household income of $127,959 and about 819 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 88% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Mission Lakes Ii'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 70th 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
Mission Lakes Ii (EPA ID: WI2685839) is a community water system in Wisconsin that serves approximately 68 people from groundwater sources.
This system serves ZIP code 53069 in Okauchee.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0008 mg/L | No | 2025-09-30 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 53069 - Okauchee
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Mission Lakes Ii (WI2685839) on EPA.gov.
Frequently Asked Questions
Is Mission Lakes Ii water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Mission Lakes Ii 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 Mission Lakes Ii serve?
Mission Lakes Ii serves approximately 68 people across 1 ZIP code in Wisconsin.
Where does Mission Lakes Ii get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mission Lakes Ii Water Quality Report, WI. https://zipcheckup.com/water-system/wi2685839/
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title = {{Mission Lakes Ii Water Quality Report, WI}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wi2685839/}
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