Community Water System · PWS AR0000061
Diamond City Water
Operator location Diamond City, Arkansas - 54% of 114 violations are health-based (upper-third health share (> 23%)); surface water source; 1,290 served per SDWIS.
- 1,290
- People served (this PWS)
- 114
- EPA violations (this PWS)
- 61
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Diamond City Water standing, high SDWIS violation third
54% of 114 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 54% is upper-third health share (> 23%). Population rank #17,252 of 29,740 among systems serving 500+.
The verdict
Diamond City Water sits in the upper third of the sitemap cohort by violation count (114), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,290 (mid served population (≤ 3,309)). Health-based share is 54% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #17,252 of 29,740
- Population · /systems
- #330 of 514
- Population · AR
- 114
- Total EPA violations on record
- 54%
- 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
- 516
- County
- Boone
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 32
- Treatment Tech Violations
- 59
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 59 | 2020 |
| Revised Total Coliform Rule | MON | 20 | 2019 |
| Coliform (TCR) | MR | 9 | 2013 |
| Revised Total Coliform Rule | RPT | 9 | 2021 |
| Public Notice | Other | 8 | 2020 |
| Consumer Confidence Rule | Other | 3 | 2010 |
| Chlorine | MR | 2 | 2004 |
| Coliform (TCR) | MCL | 2 | 2011 |
| Lead and Copper Rule | MR | 1 | 2016 |
| Coliform (TCR) | Other | 1 | 1994 |
Violation Count vs. the National Corpus
Diamond City Water has 114 recorded EPA violations, 76% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 24% carry more. 54% of this system's own violations are health-based (61 of 114), and it ranks #17,252 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)
114 Higher than most more violations than 76% 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 Diamond City Water
61 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for AR0000061.
Sources: EPA SDWIS
Nationwide peers
114 violations · 1,290 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 Diamond City Water
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.