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GRAND MOUND MOTEL

PWS ID: WA5307989 · NAPAVINE, Washington 98565

GRAND MOUND MOTEL serves 36 people in NAPAVINE, Washington using Groundwater water sources. It has 255 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GRAND MOUND MOTEL

GRAND MOUND MOTEL is a private-owned community water system that delivers drinking water to 36 residents in NAPAVINE, Washington (Thurston County) through 16 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 255 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 255 monitoring and reporting violations are on file. The most recent violation on record dates to 2006.

The most frequently cited contaminant at this system is Pentachlorophenol, recorded in 18 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. GRAND MOUND MOTEL's 255 violations sit above the Washington average. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%). 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
36
Total Violations
255
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
16
County
Thurston
School/Daycare
No
MCL Violations
0
Monitoring Violations
255
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Pentachlorophenol MR 18 2006
Aldicarb sulfoxide MR 9 2006
OXAMYL MR 9 2006
Picloram MR 9 2006
LASSO MR 9 2006
Aldicarb MR 9 2006
Hexachlorocyclopentadiene MR 9 2006
Dinoseb MR 9 2006
Dalapon MR 9 2006
Di(2-ethylhexyl) phthalate MR 9 2006
2,4,5-TP MR 9 2006
BHC-GAMMA MR 9 2006
Di(2-ethylhexyl) adipate MR 9 2006
Heptachlor MR 9 2006
Aldicarb sulfone MR 9 2006
Methoxychlor MR 9 2006
Benzo(a)pyrene MR 9 2006
Carbofuran MR 9 2006
Toxaphene MR 9 2006
Chlordane MR 9 2006
Endrin MR 9 2006
Heptachlor epoxide MR 9 2006
Atrazine MR 9 2006
Simazine MR 9 2006
HEXACHLOROBENZENE MR 9 2006
1,1,1-Trichloroethane MR 1 2004
Benzene MR 1 2004
p-Dichlorobenzene MR 1 2004
Styrene MR 1 2004
Tetrachloroethylene MR 1 2004

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 GRAND MOUND MOTEL.

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 WA5307989 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health — Office of Drinking Water is the primacy agency that licenses and inspects GRAND MOUND MOTEL under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health — Office of Drinking Water

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
2006 Pentachlorophenol MR 18 SDWIS / WA5307989 / 2326
2006 Aldicarb sulfoxide MR 9 SDWIS / WA5307989 / 2043
2006 OXAMYL MR 9 SDWIS / WA5307989 / 2036
2006 Picloram MR 9 SDWIS / WA5307989 / 2040
2006 LASSO MR 9 SDWIS / WA5307989 / 2051
2006 Aldicarb MR 9 SDWIS / WA5307989 / 2047
2006 Hexachlorocyclopentadiene MR 9 SDWIS / WA5307989 / 2042
2006 Dinoseb MR 9 SDWIS / WA5307989 / 2041
2006 Dalapon MR 9 SDWIS / WA5307989 / 2031
2006 Di(2-ethylhexyl) phthalate MR 9 SDWIS / WA5307989 / 2039
2006 2,4,5-TP MR 9 SDWIS / WA5307989 / 2110
2006 BHC-GAMMA MR 9 SDWIS / WA5307989 / 2010
2006 Di(2-ethylhexyl) adipate MR 9 SDWIS / WA5307989 / 2035
2006 Heptachlor MR 9 SDWIS / WA5307989 / 2065
2006 Aldicarb sulfone MR 9 SDWIS / WA5307989 / 2044

How GRAND MOUND MOTEL Compares

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

Metric GRAND MOUND MOTEL Washington avg Federal benchmark
Total violations 255 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 36 2,137 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is GRAND MOUND MOTEL water safe to drink? ▼
GRAND MOUND MOTEL (PWS ID: WA5307989) has 255 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 36 people using Groundwater sources.
How many people does GRAND MOUND MOTEL serve? ▼
GRAND MOUND MOTEL serves 36 people in NAPAVINE, Washington. It is a Private-owned system using Groundwater water sources with 16 service connections.
What type of violations does GRAND MOUND MOTEL have? ▼
GRAND MOUND MOTEL has 255 total violations: 0 health-based violations (MCL exceedances or treatment failures), 255 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GRAND MOUND MOTEL water? ▼
No PFAS testing data is available for GRAND MOUND MOTEL under the EPA's UCMR5 monitoring program.
What water source does GRAND MOUND MOTEL use? ▼
GRAND MOUND MOTEL 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.

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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.

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