Water Quality in Tonica, IL (61370)

EPA violation data for public water systems serving ZIP code 61370.

No Health-Based Violations

None of the 6 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 48% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

1,215

Population

6

Water Systems

4

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (6)

Tonica

Groundwater 705 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Camp Ki Shau Wau

Groundwater 150 people served
0 violations

Camp Ki Shau Wau

Groundwater 100 people served
0 violations

Kishauwau County Cabins

All resolved
Groundwater 69 people served
4 violations (5yr) · All resolved

Camp Aramoni

Groundwater 60 people served
0 violations

Pansy'S Place

Groundwater 25 people served
0 violations

Contaminants Found

Public NoticeMonitoring
2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Tonica (61370) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, most of which are monitoring/reporting issues.

Fewer violations 48th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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