Community Water System · PWS TX0600001
City of Cooper
Operator location Cooper, Texas - 55% of 77 violations are health-based (upper-third health share (> 23%)); surface water source; 2,135 served per SDWIS.
- 2,135
- People served (this PWS)
- 77
- EPA violations (this PWS)
- 42
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
City of Cooper standing, high SDWIS violation third
55% of 77 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 55% is upper-third health share (> 23%). Population rank #13,066 of 29,740 among systems serving 500+.
The verdict
City of Cooper sits in the upper third of the sitemap cohort by violation count (77), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,135 (mid served population (≤ 3,309)). Health-based share is 55% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #13,066 of 29,740
- Population · /systems
- #1,614 of 3,040
- Population · TX
- 77
- Total EPA violations on record
- 55%
- 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
- 2,648
- County
- Delta
- School/Daycare
- No
- MCL Violations
- 26
- Monitoring Violations
- 20
- Treatment Tech Violations
- 16
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 26 | 2007 |
| Interim Enhanced Surface Water Treatment Rule | TT | 12 | 2022 |
| Surface Water Treatment Rule | MR | 9 | 2005 |
| Interim Enhanced Surface Water Treatment Rule | MR | 8 | 2018 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 4 | 2024 |
| Lead and Copper Rule | MR | 3 | 2015 |
| Public Notice | Other | 2 | 2022 |
Violation Count vs. the National Corpus
City of Cooper has 77 recorded EPA violations, 67% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 32% carry more. 55% of this system's own violations are health-based (42 of 77), and it ranks #13,066 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)
77 Around the middle fewer violations than 32% 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 City of Cooper
42 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for TX0600001.
Sources: EPA SDWIS · Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch
Nationwide peers
77 violations · 2,135 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 City of Cooper
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Texas compares on the same EPA violation measures. Texas 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.