Community Water System · PWS CO0153200
Del Norte Town Of
Operator location Del Norte, Colorado - upper-third violation load (> 74 violations) with 332 EPA violations; groundwater source; 1,429 served (PWS-level, not municipal population).
- 1,429
- People served (this PWS)
- 332
- EPA violations (this PWS)
- 16
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Del Norte Town Of standing, high SDWIS violation third
332 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 5% is middle-third health share (≤ 23%). Population rank #16,385 of 29,740 among systems serving 500+.
The verdict
Del Norte Town Of sits in the upper third of the sitemap cohort by violation count (332), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,429 (mid served population (≤ 3,309)). Health-based share is 5% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #16,385 of 29,740
- Population · /systems
- #295 of 551
- Population · CO
- 332
- Total EPA violations on record
- 5%
- 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
- 800
- County
- Rio Grande
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 281
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 19 | 2025 |
| Nitrate | MR | 10 | 2009 |
| Coliform (TCR) | MR | 9 | 2002 |
| TTHM | MR | 9 | 2025 |
| Coliform (TCR) | MCL | 9 | 2013 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2025 |
| Lead and Copper Rule | MR | 7 | 2018 |
| Arsenic | MR | 4 | 2006 |
| Barium | MR | 4 | 2006 |
| Thallium, Total | MR | 4 | 2006 |
| Fluoride | MR | 4 | 2006 |
| Endrin | MR | 4 | 2005 |
| Dalapon | MR | 4 | 2005 |
| Diquat | MR | 4 | 2005 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2005 |
| Simazine | MR | 4 | 2005 |
| Picloram | MR | 4 | 2005 |
| Dinoseb | MR | 4 | 2005 |
| Aldicarb sulfoxide | MR | 4 | 2005 |
| Carbofuran | MR | 4 | 2005 |
| Atrazine | MR | 4 | 2005 |
| Heptachlor | MR | 4 | 2005 |
| Heptachlor epoxide | MR | 4 | 2005 |
| 2,4-D | MR | 4 | 2005 |
| ETHYLENE DIBROMIDE | MR | 4 | 2005 |
| Methoxychlor | MR | 4 | 2005 |
| OXAMYL | MR | 4 | 2005 |
| Beryllium, Total | MR | 4 | 2006 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 4 | 2005 |
| Chlorine | MR | 4 | 2007 |
Violation Count vs. the National Corpus
Del Norte Town Of has 332 recorded EPA violations, 92% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 8% carry more. 5% of this system's own violations are health-based (16 of 332), and it ranks #16,385 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)
332 Higher than most more violations than 92% 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 Del Norte Town Of
332 violations on record for CO0153200; 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
332 violations · 1,429 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 Del Norte 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.