Community Water System · PWS AR0000639
Walkerville Water Association
Operator location Emerson, Arkansas - smaller served population (≤ 999) at 547 people served; 91 SDWIS violations on record from groundwater sources.
- 547
- People served (this PWS)
- 91
- EPA violations (this PWS)
- 14
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Walkerville Water Association standing, high SDWIS violation third
547 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 #27,616 of 29,740 among systems serving 500+.
The verdict
Walkerville Water Association sits in the upper third of the sitemap cohort by violation count (91), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is smaller (547; 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.
- #27,616 of 29,740
- Population · /systems
- #492 of 514
- Population · AR
- 91
- 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
- 185
- County
- Columbia
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 53
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 33 | 2024 |
| Revised Total Coliform Rule | RPT | 14 | 2024 |
| Coliform (TCR) | MR | 13 | 2013 |
| Coliform (TCR) | MCL | 9 | 2014 |
| Revised Total Coliform Rule | TT | 5 | 2021 |
| Lead and Copper Rule | MR | 4 | 2024 |
| Revised Total Coliform Rule | Other | 3 | 2017 |
| Coliform (TCR) | Other | 2 | 1992 |
| Consumer Confidence Rule | Other | 2 | 2021 |
| E. COLI | MR | 2 | 2019 |
| Chlorine | MR | 1 | 2004 |
Violation Count vs. the National Corpus
Walkerville Water Association has 91 recorded EPA violations, 71% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 29% carry more. 15% of this system's own violations are health-based (14 of 91), and it ranks #27,616 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)
91 Around the middle fewer violations than 29% 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 Walkerville Water Association
EPA SDWIS lists 547 people served and 185 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS
Nationwide peers
91 violations · 547 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 with smaller service footprints
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Walkerville Water Association
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Arkansas compares on the same EPA violation measures. Arkansas 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.