Community Water System · PWS LA1063003
Colyell Community Water
Operator location Livingston, Louisiana - larger served population (> 3,309) at 4,544 people served; 57 SDWIS violations on record from groundwater sources.
- 4,544
- People served (this PWS)
- 57
- EPA violations (this PWS)
- 7
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Colyell Community Water standing, mid SDWIS violation third
4,544 people served (SDWIS) - larger served population (> 3,309). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 12% is middle-third health share (≤ 23%). Population rank #8,179 of 29,740 among systems serving 500+.
The verdict
Colyell Community Water lands in the middle third by violation volume (57), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is large (4,544; larger served population (> 3,309)), so household exposure scale sits behind the violation mix. Health-based share is 12% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #8,179 of 29,740
- Population · /systems
- #195 of 707
- Population · LA
- 57
- Total EPA violations on record
- 12%
- 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
- 1,171
- County
- Livingston Parish
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 48
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MR | 12 | 2013 |
| Total Haloacetic Acids (HAA5) | MR | 12 | 2013 |
| Chlorine | MR | 8 | 2016 |
| Coliform (TCR) | MCL | 7 | 2003 |
| Coliform (TCR) | MR | 7 | 2015 |
| Lead and Copper Rule | MR | 6 | 2024 |
| E. COLI | MR | 3 | 2014 |
Violation Count vs. the National Corpus
Colyell Community Water has 57 recorded EPA violations, 60% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 40% carry more. 12% of this system's own violations are health-based (7 of 57), and it ranks #8,179 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)
57 Around the middle fewer violations than 40% 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 Colyell Community Water
EPA SDWIS lists 4,544 people served and 1,171 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS
Nationwide peers
57 violations · 4,544 served: nearest cross-state SDWIS matches.
Cross-state systems near this violation count
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems with similar served population
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Colyell Community Water
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Louisiana compares on the same EPA violation measures. Louisiana 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.