PlainWater

Community Water System · PWS 090408027

Moccasin Domestic Water Improvement District

Fredonia, EPA Region 9 — Tribal Water Systems 86022 - drinking water served from groundwater sources to 96 people, tracked in EPA SDWIS and UCMR5.

96
People served
348
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 348 drinking-water violations at Moccasin Domestic Water Improvement District.

348
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
96
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Moccasin Domestic Water Improvement District

Moccasin Domestic Water Improvement District is a private-owned community water system that delivers drinking water to 96 residents in Fredonia, EPA Region 9 — Tribal Water Systems through 55 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 348 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 231 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 Coliform (TCR), recorded in 31 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 9 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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
96
Total Violations
348
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
55
School/Daycare
No
MCL Violations
0
Monitoring Violations
231
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 31 2015
Revised Total Coliform Rule MON 25 2021
Public Notice Other 21 2021
Consumer Confidence Rule Other 17 2022
Nitrate MR 8 2018
Arsenic MR 5 2014
Barium MR 5 2014
Cadmium MR 5 2014
Chromium MR 5 2014
CYANIDE MR 5 2014
Fluoride MR 5 2014
Mercury MR 5 2014
Selenium MR 5 2014
Antimony, Total MR 5 2014
Beryllium, Total MR 5 2014
Thallium, Total MR 5 2014
Endothall MR 5 2014
Dalapon MR 4 2014
Glyphosate MR 4 2014
OXAMYL MR 4 2014
Picloram MR 4 2014
Dinoseb MR 4 2014
Carbofuran MR 4 2014
2,4-D MR 4 2014
2,4,5-TP MR 4 2014
Pentachlorophenol MR 4 2014
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2014
ETHYLENE DIBROMIDE MR 4 2014
Revised Total Coliform Rule RPT 4 2022
LEAD AND COPPER RULE REVISIONS RPT 4 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 Moccasin Domestic Water Improvement District.

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 090408027 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 9 — Tribal Water Systems Drinking Water Authority

EPA Region 9 — Tribal Water Systems'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 09 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 RPT 4 SDWIS / 090408027 / 5200
2022 Consumer Confidence Rule Other 17 SDWIS / 090408027 / 7000
2022 Revised Total Coliform Rule RPT 4 SDWIS / 090408027 / 8000
2021 Revised Total Coliform Rule MON 25 SDWIS / 090408027 / 8000
2021 Public Notice Other 21 SDWIS / 090408027 / 7500
2018 Nitrate MR 8 SDWIS / 090408027 / 1040
2017 Lead and Copper Rule MR 3 SDWIS / 090408027 / 5000
2016 Revised Total Coliform Rule Other 1 SDWIS / 090408027 / 8000
2016 E. COLI MR 1 SDWIS / 090408027 / 3014
2015 Coliform (TCR) MR 31 SDWIS / 090408027 / 3100
2014 Arsenic MR 5 SDWIS / 090408027 / 1005
2014 Barium MR 5 SDWIS / 090408027 / 1010
2014 Cadmium MR 5 SDWIS / 090408027 / 1015
2014 Chromium MR 5 SDWIS / 090408027 / 1020
2014 CYANIDE MR 5 SDWIS / 090408027 / 1024

How Moccasin Domestic Water Improvement District Compares

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

Metric Moccasin Domestic Water Improvement District EPA Region 9 — Tribal Water Systems avg Federal benchmark
Total violations 348 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 96 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 9 — Tribal Water Systems.

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 Moccasin Domestic Water Improvement District water safe to drink?
Moccasin Domestic Water Improvement District (PWS ID: 090408027) has 348 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 96 people using Groundwater sources.
How many people does Moccasin Domestic Water Improvement District serve?
Moccasin Domestic Water Improvement District serves 96 people in Fredonia, EPA Region 9 — Tribal Water Systems. It is a Private-owned system using Groundwater water sources with 55 service connections.
What type of violations does Moccasin Domestic Water Improvement District have?
Moccasin Domestic Water Improvement District has 348 total violations: 0 health-based violations (MCL exceedances or treatment failures), 231 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Moccasin Domestic Water Improvement District water?
No PFAS testing data is available for Moccasin Domestic Water Improvement District under the EPA's UCMR5 monitoring program.
What water source does Moccasin Domestic Water Improvement District use?
Moccasin Domestic Water Improvement District 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.