Community Water System · PWS CO0146676
Ridgway Town Of
Operator location Ridgway, Colorado - upper-third violation load (> 74 violations) with 97 EPA violations; surface water source; 1,000 served (PWS-level, not municipal population).
- 1,000
- People served (this PWS)
- 97
- EPA violations (this PWS)
- 19
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Ridgway Town Of standing, high SDWIS violation third
97 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 20% is middle-third health share (≤ 23%). Population rank #19,524 of 29,740 among systems serving 500+.
The verdict
Ridgway Town Of sits in the upper third of the sitemap cohort by violation count (97), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,000 (mid served population (≤ 3,309)). Health-based share is 20% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #19,524 of 29,740
- Population · /systems
- #357 of 551
- Population · CO
- 97
- Total EPA violations on record
- 20%
- 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
- 690
- County
- Ouray
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 68
- Treatment Tech Violations
- 19
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 19 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | MR | 15 | 2025 |
| Surface Water Treatment Rule | MR | 12 | 2025 |
| Chlorite | MR | 9 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2023 |
| TTHM | MR | 6 | 2022 |
| Lead and Copper Rule | MR | 5 | 2025 |
| Nitrate | MR | 3 | 2006 |
| Long Term 2 Enhanced Surface Water Treatment Rule | MR | 3 | 2008 |
| Coliform (TCR) | MR | 3 | 2008 |
| Diquat | MR | 3 | 2017 |
| Consumer Confidence Rule | Other | 2 | 2003 |
Violation Count vs. the National Corpus
Ridgway Town Of has 97 recorded EPA violations, 73% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 27% carry more. 20% of this system's own violations are health-based (19 of 97), and it ranks #19,524 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)
97 Around the middle fewer violations than 27% 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
SDWIS compliance record for Ridgway Town Of
97 violations on record for CO0146676; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.
Sources: EPA SDWIS · Colorado Department of Public Health and Environment, Water Quality Control
Nationwide peers
97 violations · 1,000 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 Ridgway 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.