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States → EPA Region 10 — Tribal Water Systems

Community Water System · PWS 105300073

B & D Mobile Court

Toppenish, EPA Region 10 — Tribal Water Systems 98948 - drinking water served from groundwater sources to 45 people, tracked in EPA SDWIS and UCMR5.

45
People served
199
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 199 drinking-water violations at B & D Mobile Court, 2% of them health-based.

199
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
45
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: B & D Mobile Court

B & D Mobile Court is a native american-owned community water system that delivers drinking water to 45 residents in Toppenish, EPA Region 10 — Tribal Water Systems through 18 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 199 total violations for this system , of which 4 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 179 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 Revised Total Coliform Rule, recorded in 10 violations (MON). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 10 — 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
45
Total Violations
199
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
18
School/Daycare
No
MCL Violations
0
Monitoring Violations
179
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 10 2020
Chlorine MR 9 2025
Coliform (TCR) MR 7 2015
TTHM MR 6 2019
Total Haloacetic Acids (HAA5) MR 6 2019
Revised Total Coliform Rule RPT 6 2025
Lead and Copper Rule MR 5 2022
Consumer Confidence Rule Other 4 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2020
1,1,1-Trichloroethane MR 3 2014
2,3,7,8-TCDD MR 3 2017
Groundwater Rule TT 3 2020
Diquat MR 3 2020
OXAMYL MR 3 2020
Nitrate MR 3 2011
Endothall MR 3 2020
Glyphosate MR 3 2020
Carbofuran MR 3 2020
ETHYLENE DIBROMIDE MR 3 2020
p-Dichlorobenzene MR 2 2014
1,1-Dichloroethylene MR 2 2014
trans-1,2-Dichloroethylene MR 2 2014
1,2-Dichloroethane MR 2 2014
Carbon tetrachloride MR 2 2014
1,2-Dichloropropane MR 2 2014
1,1,2-Trichloroethane MR 2 2014
Ethylbenzene MR 2 2014
Styrene MR 2 2014
Antimony, Total MR 2 2008
Asbestos MR 2 2011

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 B & D Mobile Court.

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 105300073 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 10 — Tribal Water Systems Drinking Water Authority

EPA Region 10 — 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 10 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 9 SDWIS / 105300073 / 0999
2025 Revised Total Coliform Rule RPT 6 SDWIS / 105300073 / 8000
2024 Public Notice Other 2 SDWIS / 105300073 / 7500
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / 105300073 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / 105300073 / 5200
2022 Lead and Copper Rule MR 5 SDWIS / 105300073 / 5000
2020 Revised Total Coliform Rule MON 10 SDWIS / 105300073 / 8000
2020 Consumer Confidence Rule Other 4 SDWIS / 105300073 / 7000
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 4 SDWIS / 105300073 / 2931
2020 Groundwater Rule TT 3 SDWIS / 105300073 / 0700
2020 Diquat MR 3 SDWIS / 105300073 / 2032
2020 OXAMYL MR 3 SDWIS / 105300073 / 2036
2020 Endothall MR 3 SDWIS / 105300073 / 2033
2020 Glyphosate MR 3 SDWIS / 105300073 / 2034
2020 Carbofuran MR 3 SDWIS / 105300073 / 2046

How B & D Mobile Court Compares

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

Metric B & D Mobile Court EPA Region 10 — Tribal Water Systems avg Federal benchmark
Total violations 199 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 45 - 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 10 — 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 B & D Mobile Court water safe to drink? ▼
B & D Mobile Court (PWS ID: 105300073) has 199 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 45 people using Groundwater sources.
How many people does B & D Mobile Court serve? ▼
B & D Mobile Court serves 45 people in Toppenish, EPA Region 10 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 18 service connections.
What type of violations does B & D Mobile Court have? ▼
B & D Mobile Court has 199 total violations: 4 health-based violations (MCL exceedances or treatment failures), 179 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in B & D Mobile Court water? ▼
No PFAS testing data is available for B & D Mobile Court under the EPA's UCMR5 monitoring program.
What water source does B & D Mobile Court use? ▼
B & D Mobile Court 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.

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.