Community Water System · PWS OK3004013
Arkoma
Operator location Arkoma, Oklahoma - upper-third violation load (> 74 violations) with 93 EPA violations; surface water source; 2,180 served (PWS-level, not municipal population).
- 2,180
- People served (this PWS)
- 93
- EPA violations (this PWS)
- 3
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Arkoma standing, high SDWIS violation third
93 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 3% is middle-third health share (≤ 23%). Population rank #12,943 of 29,740 among systems serving 500+.
The verdict
Arkoma sits in the upper third of the sitemap cohort by violation count (93), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,180 (mid served population (≤ 3,309)). Health-based share is 3% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #12,943 of 29,740
- Population · /systems
- #231 of 558
- Population · OK
- 93
- Total EPA violations on record
- 3%
- 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
- 1,074
- County
- Le Flore
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 58
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 28 | 2010 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2025 |
| TTHM | MR | 10 | 2025 |
| Chlorine | MR | 4 | 2022 |
| Revised Total Coliform Rule | MON | 4 | 2022 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| Lead and Copper Rule | MR | 2 | 1993 |
| Coliform (TCR) | MCL | 1 | 1997 |
Violation Count vs. the National Corpus
Arkoma has 93 recorded EPA violations, 72% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 28% carry more. 3% of this system's own violations are health-based (3 of 93), and it ranks #12,943 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)
93 Around the middle fewer violations than 28% 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
SDWIS compliance record for Arkoma
93 violations on record for OK3004013; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.
Sources: EPA SDWIS
Nationwide peers
93 violations · 2,180 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 Arkoma
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Oklahoma compares on the same EPA violation measures. Oklahoma 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.