Community Water System · PWS KS2011507
Marion, City Of
Operator location Marion, Kansas - 72% of 205 violations are health-based (upper-third health share (> 23%)); surface water source; 1,902 served per SDWIS.
- 1,902
- People served (this PWS)
- 205
- EPA violations (this PWS)
- 148
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Marion, City Of standing, high SDWIS violation third
72% of 205 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 72% is upper-third health share (> 23%). Population rank #14,001 of 29,740 among systems serving 500+.
The verdict
Marion, City Of sits in the upper third of the sitemap cohort by violation count (205), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,902 (mid served population (≤ 3,309)). Health-based share is 72% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #14,001 of 29,740
- Population · /systems
- #169 of 424
- Population · KS
- 205
- Total EPA violations on record
- 72%
- 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
- 1,002
- County
- Marion
- School/Daycare
- No
- MCL Violations
- 73
- Monitoring Violations
- 48
- Treatment Tech Violations
- 75
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| CARBON, TOTAL | TT | 60 | 2007 |
| TTHM | MCL | 35 | 2006 |
| Total Haloacetic Acids (HAA5) | MCL | 34 | 2006 |
| Bromate | MR | 13 | 2023 |
| Surface Water Treatment Rule | MR | 8 | 2020 |
| Interim Enhanced Surface Water Treatment Rule | TT | 8 | 2008 |
| Surface Water Treatment Rule | TT | 7 | 2001 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | MR | 6 | 2020 |
| Revised Total Coliform Rule | MON | 4 | 2020 |
| Coliform (TCR) | MCL | 4 | 2011 |
| TTHM | MR | 3 | 2009 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 3 | 2010 |
| Chlorine | MR | 3 | 2020 |
| Public Notice | Other | 2 | 2017 |
| Lead and Copper Rule | MR | 1 | 2017 |
Violation Count vs. the National Corpus
Marion, City Of has 205 recorded EPA violations, 86% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 14% carry more. 72% of this system's own violations are health-based (148 of 205), and it ranks #14,001 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)
205 Higher than most more violations than 86% 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 Marion, City Of
148 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for KS2011507.
Sources: EPA SDWIS
Nationwide peers
205 violations · 1,902 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 Marion, City Of
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Kansas compares on the same EPA violation measures. Kansas 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.