TapScore USA

LOCKPORT EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system IL1970500. It does not test household tap water or determine whether water is currently safe to drink.

C

Some recent records

TapScore compliance-history grade

40 EPA violation records from July 1, 2021 through June 30, 2026

System details

PWSID
IL1970500
Population served
23,100
Water source
Ground Water
Owner type
Local Government
State
Illinois
EPA region
5
All historical records
71
Not marked resolved
41

How to read this grade

Grade C means “Some recent records” under TapScore's published method. It is a comparison of recent EPA compliance records, not an EPA grade, laboratory result, health recommendation, or guarantee of present water quality.

EPA contaminant categories in violation records

EPA categoryClassificationRecords
Radium-226Health-based record9
Coliform (TCR)Health-based record7
Gross AlphaHealth-based record7
ChlorineMonitoring/reporting record3
Public NoticeMonitoring/reporting record3
1,2-DIBROMO-3-CHLOROPROPANEMonitoring/reporting record2
DiquatMonitoring/reporting record2
OXAMYLMonitoring/reporting record2
ETHYLENE DIBROMIDEMonitoring/reporting record2
Revised Total Coliform RuleMonitoring/reporting record2
UraniumMonitoring/reporting record1
NitriteMonitoring/reporting record1
LEAD AND COPPER RULE REVISIONSMonitoring/reporting record1
EndrinMonitoring/reporting record1
BHC-GAMMAMonitoring/reporting record1
MethoxychlorMonitoring/reporting record1
SimazineMonitoring/reporting record1
DinosebMonitoring/reporting record1
Aldicarb sulfoxideMonitoring/reporting record1
AldicarbMonitoring/reporting record1

Showing the 20 categories with the most records out of 41 categories in this system's history.

These are compliance records associated with an EPA contaminant code, not current tap-water test results or proof that a substance is presently detected.

Violation history by year

2025
5
2022
35
2015
1
2012
1
2010
1
2009
2
2008
1
2006
2
2004
2
2001
1

Historical counts may include resolved records. For current notices and local sampling results, check the utility's latest Consumer Confidence Report and your state drinking-water agency.

Reported service area

Cities served

LOCKPORT

ZIP codes served

60441

County: Will