Mission Lakes Ii
EPA ID: WI2685839 · 68 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Mission Lakes Ii (WI2685839): no EPA violations recorded in the last five years. Even as other utilities in the region logged violations, Mission Lakes Ii kept a clean EPA record - five years, no issues, 68 people served.
Data: EPA SDWIS
Service Area Map
Coverage area for Mission Lakes Ii Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mission Lakes Ii serves a community with a median household income of $127,959 and an estimated 819 residents across its service area. 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 pumped from underground aquifers. 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
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
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 |
|---|---|---|
| 0.000795 mg/L | No | N/A |
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: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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 the full compliance record 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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author = {{ZipCheckup}},
title = {{Mission Lakes Ii Water Quality Report, WI}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wi2685839/}
}