B72/100
Godfrey Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 760,541 residents · Illinois
What's In Godfrey's Tap Water?
73
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 530.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
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
Water Utility Details
IL AMERICAN-CAIRO
Population Served
1,821
Water Source
Groundwater
System ID
IL0035030
IL AMERICAN-FISHER
Population Served
2,026
Water Source
Groundwater
System ID
IL0190150
IL AMERICAN-CHAMPAIGN
Population Served
150,000
Water Source
Groundwater
System ID
IL0195300
IL AMERICAN-FERNWAY
Population Served
5,223
Water Source
Purchased Surface Water
System ID
IL0315030
IL AMERICAN-CHICAGO SUBURBAN
Population Served
11,187
Water Source
Purchased Surface Water
System ID
IL0315150
IL AMERICAN-WAYCINDEN
Population Served
1,934
Water Source
Purchased Surface Water
System ID
IL0317550
IL AMERICAN-COUNTRY CLUB
Population Served
1,014
Water Source
Purchased Surface Water
System ID
IL0435350
IL AMERICAN-TOLONO
Population Served
3,604
Water Source
Purchased Groundwater
System ID
IL0191000
IL AMERICAN-VILLA GROVE
Population Served
2,467
Water Source
Groundwater
System ID
IL0410350
IL AMERICAN-DUPAGE UTILITY
Population Served
6,613
Water Source
Purchased Surface Water
System ID
IL0430552
IL AMERICAN-ARROWHEAD
Population Served
1,581
Water Source
Purchased Surface Water
System ID
IL0435150
IL AMERICAN-LIBERTY RIDGE WEST
Population Served
3,307
Water Source
Purchased Surface Water
System ID
IL0435650
IL AMERICAN-VALLEY VIEW
Population Served
6,721
Water Source
Purchased Surface Water
System ID
IL0437350
IL AMERICAN-FARMINGTON
Population Served
2,448
Water Source
Groundwater
System ID
IL0570500
IL AMERICAN-HARDIN COUNTY
Population Served
1,373
Water Source
Purchased Groundwater
System ID
IL0690020
IL AMERICAN-ROSICLARE
Population Served
1,387
Water Source
Groundwater Under Influence of Surface Water
System ID
IL0690160
IL AMERICAN-JERSEYVILLE
Population Served
8,737
Water Source
Groundwater
System ID
IL0830250
IL AMERICAN-VALLEY MARINA
Population Served
1,102
Water Source
Groundwater
System ID
IL0935100
IL AMERICAN-STREATOR
Population Served
19,000
Water Source
Surface Water
System ID
IL0995030
IL AMERICAN-PONTIAC
Population Served
11,864
Water Source
Surface Water
System ID
IL1055030
IL AMERICAN-MOUNT PULASKI
Population Served
1,506
Water Source
Groundwater
System ID
IL1070400
IL AMERICAN-LINCOLN
Population Served
15,200
Water Source
Groundwater Under Influence of Surface Water
System ID
IL1075030
IL AMERICAN-GRANITE CITY
Population Served
27,549
Water Source
Surface Water
System ID
IL1195030
IL AMERICAN-ALTON
Population Served
46,127
Water Source
Surface Water
System ID
IL1195150
IL AMERICAN-GLASFORD
Population Served
1,193
Water Source
Groundwater
System ID
IL1430350
IL AMERICAN-PEORIA
Population Served
137,575
Water Source
Surface Water
System ID
IL1435030
IL AMERICAN-ANDALUSIA
Population Served
1,184
Water Source
Groundwater
System ID
IL1610050
IL AMERICAN-EAST ST LOUIS
Population Served
131,368
Water Source
Surface Water
System ID
IL1635040
IL AMERICAN-PEKIN
Population Served
31,731
Water Source
Groundwater
System ID
IL1795040
IL AMERICAN-WASHINGTON ESTATES
Population Served
1,278
Water Source
Purchased Groundwater
System ID
IL1797050
IL AMERICAN-STERLING
Population Served
14,782
Water Source
Groundwater
System ID
IL1955040
IL AMERICAN-HOMER TOWNSHIP
Population Served
24,543
Water Source
Purchased Surface Water
System ID
IL1970100
IL AMERICAN-WEST SUBURBAN
Population Served
73,978
Water Source
Purchased Surface Water
System ID
IL1974151
IL AMERICAN-ARBURY
Population Served
1,225
Water Source
Groundwater
System ID
IL1975040
IL AMERICAN-SOUTH BELOIT
Population Served
7,893
Water Source
Purchased Groundwater
System ID
IL2010450
Frequently Asked Questions About Godfrey Water
Is Godfrey tap water safe to drink?
Godfrey, Illinois tap water receives a grade of B (72/100), which is considered good. Out of 80 contaminants tested, 4 exceed EPA maximum contaminant levels (MCLs) and 6 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Godfrey's water?
Of the 80 contaminants tested in Godfrey's water supply, the most notable include Copper (90th percentile), PFOA, Lead (90th percentile), PFOS, chlorate. 4 contaminant(s) exceed EPA legal limits (MCLs). 6 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Godfrey have any water quality violations?
Yes, Godfrey has 454 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, MR, Other. 156 of these are health-based violations, which are the most serious category.
Do I need a water filter in Godfrey?
Based on EPA data, using a water filter in Godfrey is recommended. 4 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Godfrey's tap water come from?
Godfrey's drinking water is sourced from groundwater and supplied by IL AMERICAN-CAIRO and 34 other water system(s). The system serves approximately 760,541 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Godfrey's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Godfrey's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Godfrey's water compare to other cities in Illinois?
Godfrey's water quality score of 72/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Illinois state page to see how all cities in the state compare.
What should I do if I'm concerned about Godfrey's water quality?
If you have concerns about Godfrey's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (IL AMERICAN-CAIRO) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.