D24/100
Spring Valley Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 5,582 residents · Illinois
What's In Spring Valley's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2005.
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
SPRING VALLEY
Population Served
5,582
Water Source
Groundwater
System ID
IL0111000
Frequently Asked Questions About Spring Valley Water
Is Spring Valley tap water safe to drink?
Spring Valley, Illinois tap water receives a grade of D (24/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 16 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Spring Valley's water?
31 contaminants were tested in Spring Valley's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Spring Valley have any water quality violations?
Yes, Spring Valley has 16 EPA violation(s) on record, with the most recent in 2005. Violation types include MCL, MR. 15 of these are health-based violations, which are the most serious category.
Do I need a water filter in Spring Valley?
Spring Valley 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 Spring Valley's tap water come from?
Spring Valley's drinking water is sourced from groundwater and supplied by SPRING VALLEY. The system serves approximately 5,582 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Spring Valley'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. Spring Valley'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 Spring Valley's water compare to other cities in Illinois?
Spring Valley's water quality score of 24/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Illinois state page to see how all cities in the state compare.
What should I do if I'm concerned about Spring Valley's water quality?
If you have concerns about Spring Valley'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 (SPRING VALLEY) 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.