Community Water System · PWS IN5216005
Westport Water Company
Operator location Westport, Indiana - 61% of 453 violations are health-based (upper-third health share (> 23%)); surface water source; 1,300 served per SDWIS.
- 1,300
- People served (this PWS)
- 453
- EPA violations (this PWS)
- 276
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Westport Water Company standing, high SDWIS violation third
61% of 453 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 61% is upper-third health share (> 23%). Population rank #17,138 of 29,740 among systems serving 500+.
The verdict
Westport Water Company sits in the upper third of the sitemap cohort by violation count (453), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,300 (mid served population (≤ 3,309)). Health-based share is 61% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #17,138 of 29,740
- Population · /systems
- #389 of 788
- Population · IN
- 453
- Total EPA violations on record
- 61%
- 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
- 644
- County
- Decatur
- School/Daycare
- No
- MCL Violations
- 268
- Monitoring Violations
- 174
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 233 | 2024 |
| Total Haloacetic Acids (HAA5) | MCL | 33 | 2005 |
| Atrazine | MR | 8 | 2024 |
| LASSO | MR | 7 | 2024 |
| Di(2-ethylhexyl) adipate | MR | 6 | 2024 |
| Di(2-ethylhexyl) phthalate | MR | 6 | 2024 |
| Mercury | MR | 6 | 2024 |
| Simazine | MR | 6 | 2024 |
| Coliform (TCR) | MR | 4 | 2004 |
| Surface Water Treatment Rule | TT | 4 | 1998 |
| Xylenes, Total | MR | 4 | 2022 |
| DICHLOROMETHANE | MR | 4 | 2022 |
| trans-1,2-Dichloroethylene | MR | 4 | 2022 |
| 1,2-Dichloroethane | MR | 4 | 2022 |
| 1,1,1-Trichloroethane | MR | 4 | 2022 |
| Carbon tetrachloride | MR | 4 | 2022 |
| 1,2-Dichloropropane | MR | 4 | 2022 |
| Trichloroethylene | MR | 4 | 2022 |
| 1,1,2-Trichloroethane | MR | 4 | 2022 |
| Tetrachloroethylene | MR | 4 | 2022 |
| CHLOROBENZENE | MR | 4 | 2022 |
| Benzene | MR | 4 | 2022 |
| Toluene | MR | 4 | 2022 |
| Ethylbenzene | MR | 4 | 2022 |
| Chromium | MR | 4 | 2023 |
| Fluoride | MR | 4 | 2023 |
| Selenium | MR | 4 | 2023 |
| Cadmium | MR | 4 | 2023 |
| Barium | MR | 4 | 2023 |
| Nitrate | MR | 4 | 2023 |
Violation Count vs. the National Corpus
Westport Water Company has 453 recorded EPA violations, 95% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 5% carry more. 61% of this system's own violations are health-based (276 of 453), and it ranks #17,138 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)
453 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
Health-based violations on Westport Water Company
276 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for IN5216005.
Sources: EPA SDWIS · Indiana Department of Environmental Management, Drinking Water Branch
Nationwide peers
453 violations · 1,300 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 Westport Water Company
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Indiana compares on the same EPA violation measures. Indiana 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.