B70/100
SLATER MUNI WATER DEPT — Water Quality Report 2026
Serving 1,548 people · Iowa
Water Source
GUP
County
—
System ID
IA8580057
Violations
11
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.37 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – October 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – October 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Exceeded the Maximum Contaminant Level (single sample)
When: October 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
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 SLATER MUNI WATER DEPT
Is SLATER MUNI WATER DEPT water safe to drink?
SLATER MUNI WATER DEPT water receives a grade of B (70/100), 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 SLATER MUNI WATER DEPT detected?
2 contaminants were tested in SLATER MUNI WATER DEPT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SLATER MUNI WATER DEPT have any EPA violations?
Yes, SLATER MUNI WATER DEPT has 11 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL. 2 are health-based violations.
How many people does SLATER MUNI WATER DEPT serve?
SLATER MUNI WATER DEPT serves approximately 1,548 people, Iowa. The system provides water to 1 community: Slater.
What type of water does SLATER MUNI WATER DEPT provide?
SLATER MUNI WATER DEPT sources its water from gup. The utility's system ID is IA8580057.
How does SLATER MUNI WATER DEPT compare to other utilities in Iowa?
SLATER MUNI WATER DEPT scores 70/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Iowa state page for a full comparison of water systems.