F16/100
PLAINFIELD WATER WORKS — Water Quality Report 2026
Serving 34,477 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5232020
Violations
50
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
strontium | 2000.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – March 8, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: October 1, 2022 – October 26, 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 PLAINFIELD WATER WORKS
Is PLAINFIELD WATER WORKS water safe to drink?
PLAINFIELD WATER WORKS water receives a grade of F (16/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 50 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PLAINFIELD WATER WORKS detected?
66 contaminants were tested in PLAINFIELD WATER WORKS's water. Notable contaminants include Lead (90th percentile), strontium. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does PLAINFIELD WATER WORKS have any EPA violations?
Yes, PLAINFIELD WATER WORKS has 50 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, Other, MCL. 7 are health-based violations.
How many people does PLAINFIELD WATER WORKS serve?
PLAINFIELD WATER WORKS serves approximately 34,477 people, Indiana. The system provides water to 1 community: Plainfield.
What type of water does PLAINFIELD WATER WORKS provide?
PLAINFIELD WATER WORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5232020.
How does PLAINFIELD WATER WORKS compare to other utilities in Indiana?
PLAINFIELD WATER WORKS scores 16/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Indiana state page for a full comparison of water systems.