PlainWater

SOPER

PWS ID: OK2001201 · SOPER, Oklahoma 74759

SOPER serves 300 people in SOPER, Oklahoma using Groundwater water sources. It has 358 recorded EPA violations, including 47 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SOPER

SOPER is a local-owned community water system that delivers drinking water to 300 residents in SOPER, Oklahoma (Choctaw County) through 152 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 358 total violations for this system , of which 47 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 240 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Chlorine, recorded in 30 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Oklahoma, EPA tracks 1,262 public water systems serving 3,699,452 people, with 336,706 cumulative violations and 113,804 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 266.8 violations. SOPER's 358 violations sit above the Oklahoma average. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
300
Total Violations
358
Health-Based Violations
47
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
152
County
Choctaw
School/Daycare
No
MCL Violations
47
Monitoring Violations
240
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 30 2019
TTHM MCL 28 2019
TTHM MR 18 2024
Total Haloacetic Acids (HAA5) MR 18 2024
Coliform (TCR) MR 17 2015
Lead and Copper Rule MR 17 2013
Coliform (TCR) MCL 15 1997
Consumer Confidence Rule Other 12 2024
Nitrate-Nitrite MR 8 2017
E. COLI MR 4 2014
Public Notice Other 4 2016
Revised Total Coliform Rule MON 4 2018
Endrin MR 4 2021
BHC-GAMMA MR 4 2021
Dalapon MR 4 2021
Endothall MR 4 2021
Glyphosate MR 4 2021
Di(2-ethylhexyl) adipate MR 4 2021
OXAMYL MR 4 2021
Simazine MR 4 2021
Di(2-ethylhexyl) phthalate MR 4 2021
Picloram MR 4 2021
Dinoseb MR 4 2021
Atrazine MR 4 2021
Heptachlor epoxide MR 4 2021
2,4,5-TP MR 4 2021
HEXACHLOROBENZENE MR 4 2021
Pentachlorophenol MR 4 2021
Total Polychlorinated Biphenyls (PCB) MR 4 2021
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2021

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for SOPER.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID OK2001201 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oklahoma Drinking Water Authority

Oklahoma's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find OK regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 TTHM MR 18 SDWIS / OK2001201 / 2950
2024 Total Haloacetic Acids (HAA5) MR 18 SDWIS / OK2001201 / 2456
2024 Consumer Confidence Rule Other 12 SDWIS / OK2001201 / 7000
2021 Endrin MR 4 SDWIS / OK2001201 / 2005
2021 BHC-GAMMA MR 4 SDWIS / OK2001201 / 2010
2021 Dalapon MR 4 SDWIS / OK2001201 / 2031
2021 Endothall MR 4 SDWIS / OK2001201 / 2033
2021 Glyphosate MR 4 SDWIS / OK2001201 / 2034
2021 Di(2-ethylhexyl) adipate MR 4 SDWIS / OK2001201 / 2035
2021 OXAMYL MR 4 SDWIS / OK2001201 / 2036
2021 Simazine MR 4 SDWIS / OK2001201 / 2037
2021 Di(2-ethylhexyl) phthalate MR 4 SDWIS / OK2001201 / 2039
2021 Picloram MR 4 SDWIS / OK2001201 / 2040
2021 Dinoseb MR 4 SDWIS / OK2001201 / 2041
2021 Atrazine MR 4 SDWIS / OK2001201 / 2050

How SOPER Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric SOPER Oklahoma avg Federal benchmark
Total violations 358 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 47 90.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 300 2,931 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,262 regulated public water systems in Oklahoma.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SOPER water safe to drink?
SOPER (PWS ID: OK2001201) has 358 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does SOPER serve?
SOPER serves 300 people in SOPER, Oklahoma. It is a Local-owned system using Groundwater water sources with 152 service connections.
What type of violations does SOPER have?
SOPER has 358 total violations: 47 health-based violations (MCL exceedances or treatment failures), 240 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SOPER water?
No PFAS testing data is available for SOPER under the EPA's UCMR5 monitoring program.
What water source does SOPER use?
SOPER uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial