A82/100
PLEASANT PLAINS — Water Quality Report 2026
Serving 1,508 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1670900
Violations
7
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.38 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 5, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: April 14, 2024 – June 18, 2024Rule: Ground Water RuleEnforcement: 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: January 1, 2023 – March 31, 2023Rule: Stage 1 DBPREnforcement: 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 PLEASANT PLAINS
Is PLEASANT PLAINS water safe to drink?
PLEASANT PLAINS water receives a grade of A (82/100), which is considered excellent. 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 PLEASANT PLAINS detected?
2 contaminants were tested in PLEASANT PLAINS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does PLEASANT PLAINS have any EPA violations?
Yes, PLEASANT PLAINS has 7 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR.
How many people does PLEASANT PLAINS serve?
PLEASANT PLAINS serves approximately 1,508 people, Illinois.
What type of water does PLEASANT PLAINS provide?
PLEASANT PLAINS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1670900.
How does PLEASANT PLAINS compare to other utilities in Illinois?
PLEASANT PLAINS scores 82/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Illinois state page for a full comparison of water systems.