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Non-Transient Non-Community Water System · PWS OK1010101

International Paper

Valliant, Oklahoma 74764 - drinking water served from surface water sources to 848 people, tracked in EPA SDWIS and UCMR5.

848
People served
207
EPA violations
179
Health-based
Untested
UCMR5 result

The verdict

EPA records 207 drinking-water violations at International Paper, 86% of them health-based - below the Oklahoma per-system average.

207
Total EPA violations on record
86%
Health-based (MCL / treatment failure)
848
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: International Paper

International Paper is a local-owned non-transient non-community water system that delivers drinking water to 848 residents in Valliant, Oklahoma (McCurtain County) through 28 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 207 total violations for this system , of which 179 (86%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 27 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Interim Enhanced Surface Water Treatment Rule, recorded in 69 violations (TT, health-based). 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. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%).

International Paper's 207 violations sit below the Oklahoma average.

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
848
Total Violations
207
Health-Based Violations
179
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
28
County
McCurtain
School/Daycare
No
MCL Violations
95
Monitoring Violations
27
Treatment Tech Violations
84

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule TT 69 2024
TTHM MCL 55 2018
Total Haloacetic Acids (HAA5) MCL 40 2009
Surface Water Treatment Rule TT 15 2024
Chlorine MR 10 2025
Revised Total Coliform Rule MON 10 2025
Coliform (TCR) MR 5 1995
Lead and Copper Rule MR 2 1994

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 International Paper.

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 OK1010101 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
2025 Chlorine MR 10 SDWIS / OK1010101 / 0999
2025 Revised Total Coliform Rule MON 10 SDWIS / OK1010101 / 8000
2024 Interim Enhanced Surface Water Treatment Rule TT 69 SDWIS / OK1010101 / 0300
2024 Surface Water Treatment Rule TT 15 SDWIS / OK1010101 / 0200
2018 TTHM MCL 55 SDWIS / OK1010101 / 2950
2009 Total Haloacetic Acids (HAA5) MCL 40 SDWIS / OK1010101 / 2456
1995 Coliform (TCR) MR 5 SDWIS / OK1010101 / 3100
1994 Lead and Copper Rule MR 2 SDWIS / OK1010101 / 5000

How International Paper Compares

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

Metric International Paper Oklahoma avg Federal benchmark
Total violations 207 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 179 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 848 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is International Paper water safe to drink? ▼
International Paper (PWS ID: OK1010101) has 207 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 848 people using Surface Water sources.
How many people does International Paper serve? ▼
International Paper serves 848 people in Valliant, Oklahoma. It is a Local-owned system using Surface Water water sources with 28 service connections.
What type of violations does International Paper have? ▼
International Paper has 207 total violations: 179 health-based violations (MCL exceedances or treatment failures), 27 monitoring/reporting violations, and 84 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in International Paper water? ▼
No PFAS testing data is available for International Paper under the EPA's UCMR5 monitoring program.
What water source does International Paper use? ▼
International Paper uses Surface Water as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.
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.

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

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