C45/100
Pleasant Prairie Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 10,754 residents · Wisconsin
What's In Pleasant Prairie's Tap Water?
54
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 3Resolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 2, 2025 – July 3, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – July 10, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
PLEASANT PRAIRIE WATER UTILITY
Population Served
10,754
Water Source
Purchased Surface Water
System ID
WI2300167
Frequently Asked Questions About Pleasant Prairie Water
Is Pleasant Prairie tap water safe to drink?
Pleasant Prairie, Wisconsin tap water receives a grade of C (45/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 24 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Pleasant Prairie's water?
Of the 54 contaminants tested in Pleasant Prairie's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Pleasant Prairie have any water quality violations?
Yes, Pleasant Prairie has 24 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, TT, Other. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in Pleasant Prairie?
Pleasant Prairie water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Pleasant Prairie's tap water come from?
Pleasant Prairie's drinking water is sourced from purchased surface water and supplied by PLEASANT PRAIRIE WATER UTILITY. The system serves approximately 10,754 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Pleasant Prairie's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Pleasant Prairie's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Pleasant Prairie's water compare to other cities in Wisconsin?
Pleasant Prairie's water quality score of 45/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Wisconsin state page to see how all cities in the state compare.
What should I do if I'm concerned about Pleasant Prairie's water quality?
If you have concerns about Pleasant Prairie's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (PLEASANT PRAIRIE WATER UTILITY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.