A89/100
Springfield Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 127,100 residents · Illinois
What's In Springfield's Tap Water?
76
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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
GRANDVIEW
Population Served
1,405
Water Source
Purchased Surface Water
System ID
IL1670500
JEROME
Population Served
1,600
Water Source
Purchased Surface Water
System ID
IL1670600
SPRINGFIELD
Population Served
117,444
Water Source
Surface Water
System ID
IL1671200
CURRAN-GARDNER TOWNSHIP PWD
Population Served
6,651
Water Source
Groundwater
System ID
IL1675350
Frequently Asked Questions About Springfield Water
Is Springfield tap water safe to drink?
Springfield, Illinois tap water receives a grade of A (89/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Springfield's water?
76 contaminants were tested in Springfield's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Springfield have any water quality violations?
Yes, Springfield has 28 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MON, MR. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Springfield?
Springfield water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Springfield's tap water come from?
Springfield's drinking water is sourced from purchased surface water and supplied by GRANDVIEW and 3 other water system(s). The system serves approximately 127,100 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Springfield'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. Springfield'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 Springfield's water compare to other cities in Illinois?
Springfield's water quality score of 89/100 earns a grade of A, which is considered excellent. This places Springfield among the better-performing water systems in Illinois. Visit our Illinois state page to see how all cities in the state compare.
What should I do if I'm concerned about Springfield's water quality?
If you have concerns about Springfield'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 (GRANDVIEW) 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.