C55/100
Hayden Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,915 residents · Colorado
What's In Hayden's Tap Water?
34
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – December 2, 2024Rule: Total Coliform RuleEnforcement: 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: October 1, 2024 – December 2, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – October 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Other Violation
When: October 16, 2023 – November 3, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – August 26, 2022Rule: Ground Water RuleEnforcement: 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
HAYDEN TOWN OF
Population Served
3,915
Water Source
Surface Water
System ID
CO0154333
Frequently Asked Questions About Hayden Water
Is Hayden tap water safe to drink?
Hayden, Colorado tap water receives a grade of C (55/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 18 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Hayden's water?
Of the 34 contaminants tested in Hayden'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 Hayden have any water quality violations?
Yes, Hayden has 18 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, MR, Other. 6 of these are health-based violations, which are the most serious category.
Do I need a water filter in Hayden?
Hayden 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 Hayden's tap water come from?
Hayden's drinking water is sourced from surface water and supplied by HAYDEN TOWN OF. The system serves approximately 3,915 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Hayden'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. Hayden'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 Hayden's water compare to other cities in Colorado?
Hayden's water quality score of 55/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Colorado state page to see how all cities in the state compare.
What should I do if I'm concerned about Hayden's water quality?
If you have concerns about Hayden'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 (HAYDEN TOWN OF) 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.