TapScore

SAUK Water Quality Report

Population

9,921

people served

Water Source

🏔️ Ground

wells & aquifers

National Rank

Top 90%

of 49,184 US systems

5-Year Record

⚠️ 302

violations recorded

C

Fair

Safety Grade

302 violations in the past 5 years

System Details

PWSID
IL0312790
Population Served
9,921
Water Source
Ground Water
Owner
Local Government
State
Illinois
EPA Region
5

Contaminants of Concern

ContaminantStatusViolations
Contaminant 7500⚠ Monitoring/Reporting38
Contaminant 5000⚠ Monitoring/Reporting1
Contaminant 2378⚠ Monitoring/Reporting12
Vinyl Chloride⚠ Monitoring/Reporting12
Contaminant 2955⚠ Monitoring/Reporting12
Trichloroethylene (TCE)⚠ Monitoring/Reporting12
Contaminant 2968⚠ Monitoring/Reporting12
Tetrachloroethylene (PCE)⚠ Monitoring/Reporting12
Contaminant 2977⚠ Monitoring/Reporting12
Contaminant 2979⚠ Monitoring/Reporting12
Contaminant 2980⚠ Monitoring/Reporting12
Contaminant 2981⚠ Monitoring/Reporting12
Contaminant 2982⚠ Monitoring/Reporting12
Contaminant 2983⚠ Monitoring/Reporting12
Chloramine⚠ Monitoring/Reporting12
Contaminant 2985⚠ Monitoring/Reporting12
Contaminant 2987⚠ Monitoring/Reporting12
Contaminant 2989⚠ Monitoring/Reporting12
Contaminant 2990⚠ Monitoring/Reporting12
Contaminant 2991⚠ Monitoring/Reporting12
Contaminant 2992⚠ Monitoring/Reporting12
Contaminant 2996⚠ Monitoring/Reporting12
Contaminant 1032⚠ Monitoring/Reporting5
Contaminant 7000⚠ Monitoring/Reporting4
Contaminant 2306⚠ Monitoring/Reporting8
Contaminant 2065⚠ Monitoring/Reporting8
Benzene⚠ Monitoring/Reporting8
Contaminant 2046⚠ Monitoring/Reporting8
Contaminant 2039⚠ Monitoring/Reporting8
Contaminant 2032⚠ Monitoring/Reporting8
Contaminant 2005⚠ Monitoring/Reporting8
Contaminant 2946⚠ Monitoring/Reporting8
Contaminant 2931⚠ Monitoring/Reporting8
Contaminant 2041⚠ Monitoring/Reporting8
Contaminant 2037⚠ Monitoring/Reporting8
Contaminant 2105⚠ Monitoring/Reporting8
Contaminant 2326⚠ Monitoring/Reporting8
Contaminant 2067⚠ Monitoring/Reporting8
Contaminant 2010⚠ Monitoring/Reporting8
Contaminant 2035⚠ Monitoring/Reporting8
Contaminant 2383⚠ Monitoring/Reporting8
Contaminant 2110⚠ Monitoring/Reporting8
Atrazine⚠ Monitoring/Reporting8
Contaminant 2042⚠ Monitoring/Reporting8
Contaminant 2040⚠ Monitoring/Reporting8
Contaminant 2015⚠ Monitoring/Reporting8
Contaminant 2031⚠ Monitoring/Reporting8
Contaminant 2274⚠ Monitoring/Reporting8
Contaminant 2036⚠ Monitoring/Reporting8
Contaminant 2033⚠ Monitoring/Reporting8
Contaminant 2070⚠ Monitoring/Reporting8
Contaminant 2959⚠ Monitoring/Reporting8
Contaminant 2356⚠ Monitoring/Reporting8
Contaminant 2020⚠ Monitoring/Reporting4
Contaminant 2043⚠ Monitoring/Reporting4
Contaminant 2044⚠ Monitoring/Reporting4
Contaminant 2047⚠ Monitoring/Reporting4
Radium-226⚠ Monitoring/Reporting4
Contaminant 2976⚠ Monitoring/Reporting10
Total Trihalomethanes (TTHMs)⚠ Monitoring/Reporting3
Haloacetic Acids (HAA5)⚠ Monitoring/Reporting3

Violation History

2025
5
2024
250
2023
2
2022
2
2021
43
2020
253
2009
1

Total violations on record: 556

Service Area

Cities Served

SAUK VILLAGE

ZIP Codes Served

60411

Recommended Water Filters

Based on contaminants detected in this water system:

Reverse Osmosis System

Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates

Removes: Radium-226

$150–$400

Activated Carbon Filter

Effective for chlorine, THMs, pesticides, and taste/odor improvement

Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Atrazine, Benzene, Trichloroethylene (TCE), Tetrachloroethylene (PCE), Vinyl Chloride

$20–$100

How does this compare?

This systemNational average
Grade C
Avg: B-C
556violations total

1986% of national average

National avg: ~28 per system

📍 Average-sized water system.