Community Water System · PWS IA8938026
Keosauqua Water Works
Operator location Keosauqua, Iowa - smaller served population (≤ 999) at 961 people served; 34 SDWIS violations on record from surface water sources.
- 961
- People served (this PWS)
- 34
- EPA violations (this PWS)
- 5
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Keosauqua Water Works standing, mid SDWIS violation third
961 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 15% is middle-third health share (≤ 23%). Population rank #20,224 of 29,740 among systems serving 500+.
The verdict
Keosauqua Water Works lands in the middle third by violation volume (34), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (961; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 15% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #20,224 of 29,740
- Population · /systems
- #350 of 545
- Population · IA
- 34
- Total EPA violations on record
- 15%
- 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
- 583
- County
- Van Buren
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 20
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 1996 |
| Fluoride | MCL | 5 | 1984 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2023 |
| TTHM | MR | 4 | 2023 |
| Revised Total Coliform Rule | MON | 4 | 2017 |
Violation Count vs. the National Corpus
Keosauqua Water Works has 34 recorded EPA violations, 46% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 54% carry more. 15% of this system's own violations are health-based (5 of 34), and it ranks #20,224 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)
34 Lower than most fewer violations than 54% 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 Keosauqua Water Works
EPA SDWIS lists 961 people served and 583 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS
Nationwide peers
34 violations · 961 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 smaller service footprints
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Keosauqua Water Works
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.