B62/100
PEMBROKE TOWNSHIP — Water Quality Report 2026
Serving 1,410 people · Illinois
Water Source
Purchased Groundwater
County
—
System ID
IL0910010
Violations
35
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
7
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: August 28, 2024 – October 9, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: August 28, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – October 8, 2024Enforcement: 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: July 1, 2023 – September 30, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – July 31, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – August 22, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – July 6, 2021Enforcement: 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 PEMBROKE TOWNSHIP
Is PEMBROKE TOWNSHIP water safe to drink?
PEMBROKE TOWNSHIP water receives a grade of B (62/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has PEMBROKE TOWNSHIP detected?
1 contaminants were tested in PEMBROKE TOWNSHIP's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PEMBROKE TOWNSHIP have any EPA violations?
Yes, PEMBROKE TOWNSHIP has 35 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, MON.
How many people does PEMBROKE TOWNSHIP serve?
PEMBROKE TOWNSHIP serves approximately 1,410 people, Illinois.
What type of water does PEMBROKE TOWNSHIP provide?
PEMBROKE TOWNSHIP sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0910010.
How does PEMBROKE TOWNSHIP compare to other utilities in Illinois?
PEMBROKE TOWNSHIP scores 62/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Illinois state page for a full comparison of water systems.