F0/100
Walsenburg Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,230 residents · Colorado
What's In Walsenburg's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.011 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
25
Violations (last 5yr)
3
Unresolved
7
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: September 8, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Violation related to Turbidity
When: July 4, 2025 – September 4, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Turbidity
When: April 4, 2025 – September 4, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to conduct Level 2 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 3, 2025 – May 15, 2025Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: March 8, 2025 – May 2, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Turbidity
When: January 4, 2025 – September 4, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: December 8, 2024 – May 2, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Treatment technique violation
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Violation related to Turbidity
When: October 4, 2024 – September 4, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Turbidity
When: October 4, 2023 – October 20, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Turbidity
When: April 4, 2023 – April 28, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: October 16, 2022 – November 4, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Turbidity
When: October 4, 2022 – November 8, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Turbidity
When: September 25, 2022 – November 8, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: August 1, 2022 – August 31, 2022Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Turbidity
When: July 4, 2022 – July 28, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: June 1, 2022 – June 30, 2022Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Turbidity
When: April 4, 2022 – July 28, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Turbidity
When: September 25, 2021 – October 30, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: September 1, 2021 – September 30, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 1 — URGENTResolved
Violation related to Nitrate
When: August 1, 2021 – August 31, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 1 — URGENTResolved
Violation related to Nitrate
When: July 1, 2021 – July 31, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 1 — URGENTResolved
Violation related to Nitrate
When: June 1, 2021 – June 30, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
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
WALSENBURG CITY OF
Population Served
3,230
Water Source
Surface Water
System ID
CO0128900
Frequently Asked Questions About Walsenburg Water
Is Walsenburg tap water safe to drink?
Walsenburg, Colorado tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 86 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Walsenburg's water?
Of the 1 contaminants tested in Walsenburg'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 Walsenburg have any water quality violations?
Yes, Walsenburg has 86 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, RPT. 32 of these are health-based violations, which are the most serious category.
Do I need a water filter in Walsenburg?
Walsenburg 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 Walsenburg's tap water come from?
Walsenburg's drinking water is sourced from surface water and supplied by WALSENBURG CITY OF. The system serves approximately 3,230 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Walsenburg'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. Walsenburg'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 Walsenburg's water compare to other cities in Colorado?
Walsenburg's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Colorado state page to see how all cities in the state compare.
What should I do if I'm concerned about Walsenburg's water quality?
If you have concerns about Walsenburg'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 (WALSENBURG CITY 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.