B78/100
MENDOTA MENTAL HEALTH INST — Water Quality Report 2026
Serving 2,787 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1130235
Violations
7
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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
Frequently Asked Questions About MENDOTA MENTAL HEALTH INST
Is MENDOTA MENTAL HEALTH INST water safe to drink?
MENDOTA MENTAL HEALTH INST water receives a grade of B (78/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MENDOTA MENTAL HEALTH INST detected?
2 contaminants were tested in MENDOTA MENTAL HEALTH INST's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does MENDOTA MENTAL HEALTH INST have any EPA violations?
Yes, MENDOTA MENTAL HEALTH INST has 7 EPA violation(s) on record, with the most recent in 2020. Violation types include MON, MR, Other. 1 are health-based violations.
How many people does MENDOTA MENTAL HEALTH INST serve?
MENDOTA MENTAL HEALTH INST serves approximately 2,787 people, Wisconsin. The system provides water to 1 community: Madison.
What type of water does MENDOTA MENTAL HEALTH INST provide?
MENDOTA MENTAL HEALTH INST sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1130235.
How does MENDOTA MENTAL HEALTH INST compare to other utilities in Wisconsin?
MENDOTA MENTAL HEALTH INST scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Wisconsin state page for a full comparison of water systems.