Community Water System · PWS CO0128900
Walsenburg City Of
Operator location Walsenburg, Colorado - 52% of 260 violations are health-based (upper-third health share (> 23%)); surface water source; 3,230 served per SDWIS.
- 3,230
- People served (this PWS)
- 260
- EPA violations (this PWS)
- 135
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Walsenburg City Of standing, high SDWIS violation third
52% of 260 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 52% is upper-third health share (> 23%). Population rank #10,087 of 29,740 among systems serving 500+.
The verdict
Walsenburg City Of sits in the upper third of the sitemap cohort by violation count (260), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 3,230 (mid served population (≤ 3,309)). Health-based share is 52% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #10,087 of 29,740
- Population · /systems
- #190 of 551
- Population · CO
- 260
- Total EPA violations on record
- 52%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,928
- County
- Huerfano
- School/Daycare
- No
- MCL Violations
- 16
- Monitoring Violations
- 61
- Treatment Tech Violations
- 119
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | TT | 73 | 2022 |
| Public Notice | Other | 53 | 2025 |
| Surface Water Treatment Rule | TT | 39 | 2018 |
| Interim Enhanced Surface Water Treatment Rule | MR | 27 | 2020 |
| TTHM | MCL | 16 | 2020 |
| Surface Water Treatment Rule | MR | 9 | 2020 |
| E. COLI | MR | 6 | 2018 |
| TTHM | MR | 6 | 2025 |
| Groundwater Rule | TT | 5 | 2015 |
| Revised Total Coliform Rule | Other | 3 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2015 |
| Lead and Copper Rule | MR | 3 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| Benzene | MR | 1 | 1989 |
| Carbon tetrachloride | MR | 1 | 1989 |
| 1,1,1-Trichloroethane | MR | 1 | 1989 |
| Trichloroethylene | MR | 1 | 1989 |
| 1,2-Dichloroethane | MR | 1 | 1989 |
| 1,1-Dichloroethylene | MR | 1 | 1989 |
| p-Dichlorobenzene | MR | 1 | 1989 |
Violation Count vs. the National Corpus
Walsenburg City Of has 260 recorded EPA violations, 89% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 11% carry more. 52% of this system's own violations are health-based (135 of 260), and it ranks #10,087 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
260 Higher than most more violations than 89% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
Health-based violations on Walsenburg City Of
135 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for CO0128900.
Sources: EPA SDWIS · Colorado Department of Public Health and Environment, Water Quality Control
Nationwide peers
260 violations · 3,230 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Walsenburg City Of
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Colorado compares on the same EPA violation measures. Colorado systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.