Community Water System · PWS IA7329501
Clarinda Treatment Complex
Operator location Clarinda, Iowa - 40% of 101 violations are health-based (upper-third health share (> 23%)); groundwater source; 1,439 served per SDWIS.
- 1,439
- People served (this PWS)
- 101
- EPA violations (this PWS)
- 40
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Clarinda Treatment Complex standing, high SDWIS violation third
40% of 101 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 40% is upper-third health share (> 23%). Population rank #16,346 of 29,740 among systems serving 500+.
The verdict
Clarinda Treatment Complex sits in the upper third of the sitemap cohort by violation count (101), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,439 (mid served population (≤ 3,309)). Health-based share is 40% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #16,346 of 29,740
- Population · /systems
- #260 of 545
- Population · IA
- 101
- Total EPA violations on record
- 40%
- 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
- State
- Connections
- 12
- County
- Page
- School/Daycare
- No
- MCL Violations
- 40
- Monitoring Violations
- 56
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 33 | 2015 |
| Coliform (TCR) | MR | 28 | 2013 |
| Nitrate | MR | 17 | 2025 |
| Coliform (TCR) | MCL | 7 | 1997 |
| Revised Total Coliform Rule | MON | 4 | 2025 |
| Arsenic | MR | 1 | 1980 |
| Selenium | MR | 1 | 1980 |
| Cadmium | MR | 1 | 1980 |
| Mercury | MR | 1 | 1980 |
| Chromium | MR | 1 | 1980 |
| Fluoride | MR | 1 | 1980 |
| Barium | MR | 1 | 1980 |
Violation Count vs. the National Corpus
Clarinda Treatment Complex has 101 recorded EPA violations, 73% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 26% carry more. 40% of this system's own violations are health-based (40 of 101), and it ranks #16,346 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)
101 Around the middle fewer violations than 26% 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 Clarinda Treatment Complex
40 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for IA7329501.
Sources: EPA SDWIS
Nationwide peers
101 violations · 1,439 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 Clarinda Treatment Complex
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Iowa compares on the same EPA violation measures. Iowa 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.