F11/100

PITTSFIELD — Water Quality Report 2026

Serving 4,697 people · Illinois

Water Source
Groundwater
County
System ID
IL1490750
Violations
22

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.002 mg/L0.015 mg/LAbove Goal

EPA Violation History

1

Violation (last 5yr)

1

Unresolved

0

Health-Related

TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

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 PITTSFIELD

Is PITTSFIELD water safe to drink?

PITTSFIELD water receives a grade of F (11/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 22 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has PITTSFIELD detected?

31 contaminants were tested in PITTSFIELD's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does PITTSFIELD have any EPA violations?

Yes, PITTSFIELD has 22 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MCL, Other. 16 are health-based violations.

How many people does PITTSFIELD serve?

PITTSFIELD serves approximately 4,697 people, Illinois. The system provides water to 1 community: Pittsfield.

What type of water does PITTSFIELD provide?

PITTSFIELD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1490750.

How does PITTSFIELD compare to other utilities in Illinois?

PITTSFIELD scores 11/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.

Cities Served