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States → EPA Region 10 — Tribal Water Systems

Non-Transient Non-Community Water System · PWS 105300147

Northwood Casino

Deming, EPA Region 10 — Tribal Water Systems 98244 - drinking water served from groundwater sources to 500 people, tracked in EPA SDWIS and UCMR5.

500
People served
250
EPA violations
30
Health-based
Untested
UCMR5 result

The verdict

EPA records 250 drinking-water violations at Northwood Casino, 12% of them health-based.

250
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Northwood Casino

Northwood Casino is a native american-owned non-transient non-community water system that delivers drinking water to 500 residents in Deming, EPA Region 10 — Tribal Water Systems through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 250 total violations for this system , of which 30 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 208 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 Groundwater Rule, recorded in 30 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.

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
500
Total Violations
250
Health-Based Violations
30
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Native American
Connections
1
School/Daycare
No
MCL Violations
0
Monitoring Violations
208
Treatment Tech Violations
30

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 30 2022
Nitrate MR 13 2023
Public Notice Other 12 2023
Total Haloacetic Acids (HAA5) MR 11 2024
TTHM MR 11 2024
Lead and Copper Rule MR 10 2023
Coliform (TCR) MR 7 2015
Chlorine MR 6 2015
Revised Total Coliform Rule MON 6 2021
Endrin MR 3 2017
BHC-GAMMA MR 3 2017
Toxaphene MR 3 2017
Dalapon MR 3 2017
Diquat MR 3 2017
OXAMYL MR 3 2017
Simazine MR 3 2017
Di(2-ethylhexyl) phthalate MR 3 2017
Picloram MR 3 2017
Hexachlorocyclopentadiene MR 3 2017
Carbofuran MR 3 2017
LASSO MR 3 2017
2,3,7,8-TCDD MR 3 2017
Heptachlor MR 3 2017
2,4-D MR 3 2017
2,4,5-TP MR 3 2017
HEXACHLOROBENZENE MR 3 2017
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2017
ETHYLENE DIBROMIDE MR 3 2017
Chlordane MR 3 2017
Endothall MR 3 2017

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 Northwood Casino.

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 105300147 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
2024 Total Haloacetic Acids (HAA5) MR 11 SDWIS / 105300147 / 2456
2024 TTHM MR 11 SDWIS / 105300147 / 2950
2023 Nitrate MR 13 SDWIS / 105300147 / 1040
2023 Public Notice Other 12 SDWIS / 105300147 / 7500
2023 Lead and Copper Rule MR 10 SDWIS / 105300147 / 5000
2022 Groundwater Rule TT 30 SDWIS / 105300147 / 0700
2021 Revised Total Coliform Rule MON 6 SDWIS / 105300147 / 8000
2017 Endrin MR 3 SDWIS / 105300147 / 2005
2017 BHC-GAMMA MR 3 SDWIS / 105300147 / 2010
2017 Toxaphene MR 3 SDWIS / 105300147 / 2020
2017 Dalapon MR 3 SDWIS / 105300147 / 2031
2017 Diquat MR 3 SDWIS / 105300147 / 2032
2017 OXAMYL MR 3 SDWIS / 105300147 / 2036
2017 Simazine MR 3 SDWIS / 105300147 / 2037
2017 Di(2-ethylhexyl) phthalate MR 3 SDWIS / 105300147 / 2039

How Northwood Casino Compares

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

Metric Northwood Casino EPA Region 10 — Tribal Water Systems avg Federal benchmark
Total violations 250 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 30 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 500 - 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 Northwood Casino water safe to drink? ▼
Northwood Casino (PWS ID: 105300147) has 250 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Groundwater sources.
How many people does Northwood Casino serve? ▼
Northwood Casino serves 500 people in Deming, EPA Region 10 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 1 service connections.
What type of violations does Northwood Casino have? ▼
Northwood Casino has 250 total violations: 30 health-based violations (MCL exceedances or treatment failures), 208 monitoring/reporting violations, and 30 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Northwood Casino water? ▼
No PFAS testing data is available for Northwood Casino under the EPA's UCMR5 monitoring program.
What water source does Northwood Casino use? ▼
Northwood Casino uses Groundwater 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.