C43/100
Cold Spring Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 4,201 residents · Minnesota
What's In Cold Spring's Tap Water?
51
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2004.
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
Cold Spring
Population Served
4,201
Water Source
Groundwater
System ID
MN1730006
Frequently Asked Questions About Cold Spring Water
Is Cold Spring tap water safe to drink?
Cold Spring, Minnesota tap water receives a grade of C (43/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 14 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Cold Spring's water?
Of the 51 contaminants tested in Cold Spring's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Cold Spring have any water quality violations?
Yes, Cold Spring has 14 EPA violation(s) on record, with the most recent in 2004. Violation types include MCL, MR. 10 of these are health-based violations, which are the most serious category.
Do I need a water filter in Cold Spring?
Cold Spring 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. 1 contaminant(s) exceed these stricter goals.
Where does Cold Spring's tap water come from?
Cold Spring's drinking water is sourced from groundwater and supplied by Cold Spring. The system serves approximately 4,201 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Cold Spring'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. Cold Spring'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 Cold Spring's water compare to other cities in Minnesota?
Cold Spring's water quality score of 43/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Minnesota state page to see how all cities in the state compare.
What should I do if I'm concerned about Cold Spring's water quality?
If you have concerns about Cold Spring'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 (Cold Spring) 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.