Community Water System · PWS IN5261003
Marshall Water Works
Operator location Marshall, Indiana - 73% of 886 violations are health-based (upper-third health share (> 23%)); groundwater source; 330 served per SDWIS.
- 330
- People served (this PWS)
- 886
- EPA violations (this PWS)
- 646
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Marshall Water Works standing, high SDWIS violation third
73% of 886 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 73% is upper-third health share (> 23%).
The verdict
Marshall Water Works sits in the upper third of the sitemap cohort by violation count (886), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is smaller (330; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 73% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- 886
- Total EPA violations on record
- 73%
- Health-based (MCL / treatment failure)
- 330
- People served by this PWS (SDWIS)
- N/A
- PFAS compounds detected (UCMR5)
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
- 155
- County
- Parke
- School/Daycare
- No
- MCL Violations
- 646
- Monitoring Violations
- 226
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Barium | MCL | 479 | 2006 |
| Combined Radium (-226 and -228) | MCL | 160 | 2005 |
| Coliform (TCR) | MR | 31 | 2011 |
| Atrazine | MR | 14 | 2001 |
| Simazine | MR | 14 | 2001 |
| LASSO | MR | 14 | 2001 |
| 2,4-D | MR | 14 | 2001 |
| Consumer Confidence Rule | Other | 13 | 2010 |
| Barium | MR | 12 | 2007 |
| Nitrate | MR | 12 | 2007 |
| Dinoseb | MR | 8 | 2006 |
| TTHM | MR | 7 | 2014 |
| Coliform (TCR) | MCL | 4 | 2004 |
| Endrin | MR | 4 | 2001 |
| BHC-GAMMA | MR | 4 | 2001 |
| Dalapon | MR | 4 | 2001 |
| Endothall | MR | 4 | 2001 |
| OXAMYL | MR | 4 | 2001 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 2001 |
| Picloram | MR | 4 | 2001 |
| Hexachlorocyclopentadiene | MR | 4 | 2001 |
| Carbofuran | MR | 4 | 2001 |
| Heptachlor epoxide | MR | 4 | 2001 |
| 2,4,5-TP | MR | 4 | 2001 |
| HEXACHLOROBENZENE | MR | 4 | 2001 |
| Pentachlorophenol | MR | 4 | 2001 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 4 | 2001 |
| ETHYLENE DIBROMIDE | MR | 4 | 2001 |
| Chlordane | MR | 4 | 2001 |
| Heptachlor | MR | 4 | 2001 |
Violation Count vs. the National Corpus
Marshall Water Works has 886 recorded EPA violations, 99% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 1% carry more. 73% of this system's own violations are health-based (646 of 886), and it ranks unranked by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
886 Higher than most more violations than 99% 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 Marshall Water Works
646 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for IN5261003.
Sources: EPA SDWIS · Indiana Department of Environmental Management, Drinking Water Branch
Nationwide peers
886 violations · 330 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.
What to do with Marshall Water Works
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.