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Community Water System · PWS OK2001702

Cotton Co RWD #2

Operator location Walters, Oklahoma - 82% of 234 violations are health-based (upper-third health share (> 23%)); groundwater source; 3,000 served per SDWIS.

3,000
People served (this PWS) Middle third of systems
234
EPA violations (this PWS) Upper third of systems
192
Health-based (this PWS) Upper third by health-based share
Untested
UCMR5 (this PWS) No UCMR5 result
Follow published updates (RSS)

Cotton Co RWD #2 standing, high SDWIS violation third

82% of 234 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 82% is upper-third health share (> 23%). Population rank #10,671 of 29,740 among systems serving 500+.

The verdict

Cotton Co RWD #2 sits in the upper third of the sitemap cohort by violation count (234), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 3,000 (mid served population (≤ 3,309)). Health-based share is 82% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.

#10,671 of 29,740
Population · /systems
#162 of 558
Population · OK
234
Total EPA violations on record
82%
Health-based (MCL / treatment failure)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

F
Water Safety Score
12/100
Cotton Co RWD #2

Based on EPA SDWIS violation history and UCMR5 PFAS testing only, not water taste, odor, infrastructure age, or contaminants outside the federally tracked set.

Health-based violations F
192
EPA SDWIS health-based violations on record (MCL, MRDL, treatment technique)
Monitoring & reporting violations F
42
Non-health SDWIS violations (monitoring, reporting, and other compliance)
PFAS contamination N/A
Not UCMR5-tested
Highest PFAS compound level detected in UCMR5 testing

System Details

System Type
Community
Owner Type
Local
Connections
1,270
County
Cotton
School/Daycare
No
MCL Violations
191
Monitoring Violations
37
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 142 2020
Nitrate-Nitrite MR 20 2006
Nitrate-Nitrite MCL 20 2019
Coliform (TCR) MCL 17 2006
Fluoride MCL 12 2020
TTHM MR 8 2005
Total Haloacetic Acids (HAA5) MR 4 2004
Lead and Copper Rule MR 4 2004
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024
Coliform (TCR) MR 1 1997

Violation Count vs. the National Corpus

Cotton Co RWD #2 has 234 recorded EPA violations, 87% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 13% carry more. 82% of this system's own violations are health-based (192 of 234), and it ranks #10,671 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)

234 Higher than most more violations than 87% 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

How many violations vs. how serious, among peer systems

Cotton Co RWD #2 plotted against 29 peer public water systems (500+ people served), by total violation count (x) and the share of those violations that are health-based (y). The crosshair sits at this sample's own median on each axis. A high violation count does not automatically mean a serious record: most monitoring and reporting violations are minor, not health-based.

Violation volume vs. health-based share

30 public water systems (500+ people served), EPA SDWIS current release. 2×2 strategic matrix plotting 30 entities by Total violations (X) and Health-based share (Y), with a crosshair dividing the plot into four quadrants. Frequent and seriousRare but seriousFrequent, mostly paperworkClean record 0200400600 0%20%40%60%80%100% Total violations Health-based share Violation volume vs. health-based share Miccosukee Service Plaza-0, 0%Brazoria - Fort Bend Counties MUD 3-0, 0%Tanglewilde Thompson Place 600-2, 0%Center Water Co-5, 0%Montgomery Co RWD 12-7, 29%Spring Mills Elem School/Hvs-9, 0%Irvin Water District #6-11, 27%Great Bend Industrial Park-14, 0%Nooksack Valley Water Association-16, 31%Glen Park Village-19, 0%Camp Is-Sho-Da-22, 0%Kipling Oaks 1-25, 16%McLouth, City Of-29, 17%Hamilton-33, 0%Pine Valley Plantation-37, 24%Lake Gibson Estates-42, 2%Ticonderoga WD-47, 26%Town of Welaka-54, 0%Township of Blairstown Dpw-61, 0%McIntosh Water & Fire Pro Authority-71, 0%Sunset Ridge Water District-82, 15%South Deerfield Water Supply District-96, 16%Clarkdale Municipal Water System-114, 0%Orange Water Dept-136, 14%Mount Pleasant Water Sys #1-167, 11%Benson Culinary Improvement District-212, 1%Eureka Water Association-273, 0%City of Ballinger-372, 85%Conemaugh Twp Muni Auth-567, 1%Cotton Co RWD #2-234, 82%
30 public water systems (500+ people served), EPA SDWIS current release.

Health-based violations on Cotton Co RWD #2

192 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for OK2001702.

Sources: EPA SDWIS

Nationwide peers

234 violations · 3,000 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.

4 peers

Cross-state systems near this population served

Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).

4 peers

What to do with Cotton Co RWD #2

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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.