Community Water System · PWS CO0109006
Cheyenne Wells Town Of
Operator location Cheyenne Wells, Colorado - smaller served population (≤ 999) at 840 people served; 456 SDWIS violations on record from groundwater sources.
- 840
- People served (this PWS)
- 456
- EPA violations (this PWS)
- 39
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Cheyenne Wells Town Of standing, high SDWIS violation third
840 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 9% is middle-third health share (≤ 23%). Population rank #21,919 of 29,740 among systems serving 500+.
The verdict
Cheyenne Wells Town Of sits in the upper third of the sitemap cohort by violation count (456), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is smaller (840; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 9% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #21,919 of 29,740
- Population · /systems
- #408 of 551
- Population · CO
- 456
- Total EPA violations on record
- 9%
- 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
- 521
- County
- Cheyenne
- School/Daycare
- No
- MCL Violations
- 37
- Monitoring Violations
- 386
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 24 | 2021 |
| Coliform (TCR) | MCL | 17 | 2010 |
| Carbofuran | MR | 16 | 2017 |
| OXAMYL | MR | 16 | 2017 |
| Nitrate | MR | 13 | 2018 |
| Fluoride | MR | 12 | 2017 |
| Nitrate | MCL | 12 | 2020 |
| Arsenic | MR | 9 | 2002 |
| Barium | MR | 9 | 2002 |
| Cadmium | MR | 9 | 2002 |
| Chromium | MR | 9 | 2002 |
| Mercury | MR | 9 | 2002 |
| Nickel | MR | 9 | 2002 |
| Antimony, Total | MR | 9 | 2002 |
| Beryllium, Total | MR | 9 | 2002 |
| Thallium, Total | MR | 9 | 2002 |
| Selenium | MR | 9 | 2002 |
| Gross Alpha, Excl. Radon and U | MR | 9 | 2017 |
| Arsenic | MCL | 8 | 2020 |
| Simazine | MR | 7 | 2017 |
| LASSO | MR | 7 | 2017 |
| Di(2-ethylhexyl) adipate | MR | 7 | 2020 |
| Atrazine | MR | 7 | 2017 |
| Coliform (TCR) | MR | 6 | 2008 |
| Combined Radium (-226 and -228) | MR | 6 | 2014 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2012 |
| o-Dichlorobenzene | MR | 4 | 2012 |
| Vinyl chloride | MR | 4 | 2012 |
| trans-1,2-Dichloroethylene | MR | 4 | 2012 |
| 1,2-Dichloroethane | MR | 4 | 2012 |
Violation Count vs. the National Corpus
Cheyenne Wells Town Of has 456 recorded EPA violations, 95% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 5% carry more. 9% of this system's own violations are health-based (39 of 456), and it ranks #21,919 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)
456 Higher than most more violations than 95% 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
Population served record for Cheyenne Wells Town Of
EPA SDWIS lists 840 people served and 521 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS · Colorado Department of Public Health and Environment, Water Quality Control
Nationwide peers
456 violations · 840 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 with smaller service footprints
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Cheyenne Wells Town 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.