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MARLAND

PWS ID: OK2005204 · MARLAND, Oklahoma 74644

MARLAND serves 325 people in MARLAND, Oklahoma using Groundwater water sources. It has 242 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MARLAND

MARLAND is a local-owned community water system that delivers drinking water to 325 residents in MARLAND, Oklahoma (Noble County) through 130 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 242 total violations for this system , of which 6 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 174 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 E. COLI, recorded in 14 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. MARLAND's 242 violations sit below 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
325
Total Violations
242
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
130
County
Noble
School/Daycare
No
MCL Violations
1
Monitoring Violations
174
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
E. COLI MR 14 2017
Coliform (TCR) MR 13 2013
Total Haloacetic Acids (HAA5) MR 12 2019
Nitrate-Nitrite MR 10 2020
TTHM MR 8 2019
Lead and Copper Rule MR 8 2012
1,2,4-Trichlorobenzene MR 5 2020
cis-1,2-Dichloroethylene MR 5 2020
Xylenes, Total MR 5 2020
p-Dichlorobenzene MR 5 2020
Vinyl chloride MR 5 2020
1,2-Dichloroethane MR 5 2020
1,1,1-Trichloroethane MR 5 2020
1,2-Dichloropropane MR 5 2020
Trichloroethylene MR 5 2020
Tetrachloroethylene MR 5 2020
CHLOROBENZENE MR 5 2020
Benzene MR 5 2020
Toluene MR 5 2020
Ethylbenzene MR 5 2020
Styrene MR 5 2020
1,1,2-Trichloroethane MR 5 2020
trans-1,2-Dichloroethylene MR 5 2020
DICHLOROMETHANE MR 5 2020
o-Dichlorobenzene MR 5 2020
1,1-Dichloroethylene MR 5 2020
Carbon tetrachloride MR 5 2020
Lead and Copper Rule TT 4 2012
Chlorine MR 4 2017
Coliform (TCR) MCL 1 1996

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 MARLAND.

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 OK2005204 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 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OK2005204 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / OK2005204 / 5200
2020 Nitrate-Nitrite MR 10 SDWIS / OK2005204 / 1038
2020 1,2,4-Trichlorobenzene MR 5 SDWIS / OK2005204 / 2378
2020 cis-1,2-Dichloroethylene MR 5 SDWIS / OK2005204 / 2380
2020 Xylenes, Total MR 5 SDWIS / OK2005204 / 2955
2020 p-Dichlorobenzene MR 5 SDWIS / OK2005204 / 2969
2020 Vinyl chloride MR 5 SDWIS / OK2005204 / 2976
2020 1,2-Dichloroethane MR 5 SDWIS / OK2005204 / 2980
2020 1,1,1-Trichloroethane MR 5 SDWIS / OK2005204 / 2981
2020 1,2-Dichloropropane MR 5 SDWIS / OK2005204 / 2983
2020 Trichloroethylene MR 5 SDWIS / OK2005204 / 2984
2020 Tetrachloroethylene MR 5 SDWIS / OK2005204 / 2987
2020 CHLOROBENZENE MR 5 SDWIS / OK2005204 / 2989
2020 Benzene MR 5 SDWIS / OK2005204 / 2990

How MARLAND Compares

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

Metric MARLAND Oklahoma avg Federal benchmark
Total violations 242 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 325 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 MARLAND water safe to drink? ▼
MARLAND (PWS ID: OK2005204) has 242 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 325 people using Groundwater sources.
How many people does MARLAND serve? ▼
MARLAND serves 325 people in MARLAND, Oklahoma. It is a Local-owned system using Groundwater water sources with 130 service connections.
What type of violations does MARLAND have? ▼
MARLAND has 242 total violations: 6 health-based violations (MCL exceedances or treatment failures), 174 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MARLAND water? ▼
No PFAS testing data is available for MARLAND under the EPA's UCMR5 monitoring program.
What water source does MARLAND use? ▼
MARLAND 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.

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

Read our methodology — how this data is sourced, computed, and verified.

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