Community Water System · PWS MN1720006
Henderson
Operator location Henderson, Minnesota - smaller served population (≤ 999) at 886 people served; 47 SDWIS violations on record from groundwater sources.
- 886
- People served (this PWS)
- 47
- EPA violations (this PWS)
- 6
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Henderson standing, mid SDWIS violation third
886 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 13% is middle-third health share (≤ 23%). Population rank #21,346 of 29,740 among systems serving 500+.
The verdict
Henderson lands in the middle third by violation volume (47), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (886; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 13% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #21,346 of 29,740
- Population · /systems
- #427 of 677
- Population · MN
- 47
- Total EPA violations on record
- 13%
- 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
- 448
- County
- Sibley
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 41
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 16 | 2017 |
| Chlorine | MR | 10 | 2016 |
| Coliform (TCR) | MR | 9 | 2016 |
| Combined Radium (-226 and -228) | MCL | 6 | 1988 |
| Nitrate | MR | 6 | 2012 |
Violation Count vs. the National Corpus
Henderson has 47 recorded EPA violations, 55% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 45% carry more. 13% of this system's own violations are health-based (6 of 47), and it ranks #21,346 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)
47 Around the middle fewer violations than 45% 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 Henderson
EPA SDWIS lists 886 people served and 448 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS
Nationwide peers
47 violations · 886 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 Henderson
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Minnesota compares on the same EPA violation measures. Minnesota 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.