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Community Water System · PWS OK4004216

Peppers Ranch

Guthrie, Oklahoma 73044 - drinking water served from groundwater sources to 99 people, tracked in EPA SDWIS and UCMR5.

99
People served
679
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 679 drinking-water violations at Peppers Ranch - above the Oklahoma per-system average.

679
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
99
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Peppers Ranch

Peppers Ranch is a private-owned community water system that delivers drinking water to 99 residents in Guthrie, Oklahoma (Logan County) through 18 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 679 total violations for this system , of which 2 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 672 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 Revised Total Coliform Rule, recorded in 28 violations (MON). 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%).

Peppers Ranch's 679 violations sit above 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
99
Total Violations
679
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
18
County
Logan
School/Daycare
No
MCL Violations
0
Monitoring Violations
672
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 28 2024
Endrin MR 20 2024
BHC-GAMMA MR 20 2024
Toxaphene MR 20 2024
Diquat MR 20 2024
Endothall MR 20 2024
Glyphosate MR 20 2024
Di(2-ethylhexyl) adipate MR 20 2024
OXAMYL MR 20 2024
Simazine MR 20 2024
Di(2-ethylhexyl) phthalate MR 20 2024
Hexachlorocyclopentadiene MR 20 2024
LASSO MR 20 2024
Heptachlor MR 20 2024
Heptachlor epoxide MR 20 2024
2,4,5-TP MR 20 2024
HEXACHLOROBENZENE MR 20 2024
Total Polychlorinated Biphenyls (PCB) MR 20 2024
1,2-DIBROMO-3-CHLOROPROPANE MR 20 2024
Chlordane MR 20 2024
Picloram MR 20 2024
Dinoseb MR 20 2024
Benzo(a)pyrene MR 20 2024
Pentachlorophenol MR 20 2024
ETHYLENE DIBROMIDE MR 20 2024
Methoxychlor MR 20 2024
Dalapon MR 20 2024
Atrazine MR 20 2024
Carbofuran MR 20 2024
2,4-D MR 20 2024

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 Peppers Ranch.

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 OK4004216 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 Revised Total Coliform Rule MON 28 SDWIS / OK4004216 / 8000
2024 Endrin MR 20 SDWIS / OK4004216 / 2005
2024 BHC-GAMMA MR 20 SDWIS / OK4004216 / 2010
2024 Toxaphene MR 20 SDWIS / OK4004216 / 2020
2024 Diquat MR 20 SDWIS / OK4004216 / 2032
2024 Endothall MR 20 SDWIS / OK4004216 / 2033
2024 Glyphosate MR 20 SDWIS / OK4004216 / 2034
2024 Di(2-ethylhexyl) adipate MR 20 SDWIS / OK4004216 / 2035
2024 OXAMYL MR 20 SDWIS / OK4004216 / 2036
2024 Simazine MR 20 SDWIS / OK4004216 / 2037
2024 Di(2-ethylhexyl) phthalate MR 20 SDWIS / OK4004216 / 2039
2024 Hexachlorocyclopentadiene MR 20 SDWIS / OK4004216 / 2042
2024 LASSO MR 20 SDWIS / OK4004216 / 2051
2024 Heptachlor MR 20 SDWIS / OK4004216 / 2065
2024 Heptachlor epoxide MR 20 SDWIS / OK4004216 / 2067

How Peppers Ranch Compares

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

Metric Peppers Ranch Oklahoma avg Federal benchmark
Total violations 679 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 99 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 Peppers Ranch water safe to drink?
Peppers Ranch (PWS ID: OK4004216) has 679 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 99 people using Groundwater sources.
How many people does Peppers Ranch serve?
Peppers Ranch serves 99 people in Guthrie, Oklahoma. It is a Private-owned system using Groundwater water sources with 18 service connections.
What type of violations does Peppers Ranch have?
Peppers Ranch has 679 total violations: 2 health-based violations (MCL exceedances or treatment failures), 672 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Peppers Ranch water?
No PFAS testing data is available for Peppers Ranch under the EPA's UCMR5 monitoring program.
What water source does Peppers Ranch use?
Peppers Ranch 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
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.