PlainWater

GOODNIGHT WATER SYSTEM

PWS ID: WA5303414 · Kennewick, Washington 99337

GOODNIGHT WATER SYSTEM serves 47 people in Kennewick, Washington using Groundwater water sources. It has 52 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GOODNIGHT WATER SYSTEM

GOODNIGHT WATER SYSTEM is a private-owned community water system that delivers drinking water to 47 residents in Kennewick, Washington (Benton County) through 13 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 52 total violations for this system , of which 6 (12%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 43 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Nitrate, recorded in 8 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. GOODNIGHT WATER SYSTEM's 52 violations sit below 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
47
Total Violations
52
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
13
County
Benton
School/Daycare
No
MCL Violations
6
Monitoring Violations
43
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 8 2006
Coliform (TCR) MCL 6 1998
Pentachlorophenol MR 3 2014
Coliform (TCR) MR 3 2014
Picloram MR 2 2014
Dinoseb MR 2 2014
2,4,5-TP MR 2 2014
Dalapon MR 2 2014
Carbofuran MR 1 2002
Methoxychlor MR 1 2002
Di(2-ethylhexyl) phthalate MR 1 2002
Hexachlorocyclopentadiene MR 1 2002
Atrazine MR 1 2002
HEXACHLOROBENZENE MR 1 2002
Chlordane MR 1 2002
Consumer Confidence Rule Other 1 2013
Aldicarb sulfone MR 1 2002
Simazine MR 1 2002
Heptachlor MR 1 2002
OXAMYL MR 1 2002
Endrin MR 1 2002
Di(2-ethylhexyl) adipate MR 1 2002
Benzo(a)pyrene MR 1 2002
LASSO MR 1 2002
Lead and Copper Rule MR 1 1999
BHC-GAMMA MR 1 2002
Heptachlor epoxide MR 1 2002
Aldicarb sulfoxide MR 1 2002
Aldicarb MR 1 2002
Toxaphene MR 1 2002

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 GOODNIGHT WATER SYSTEM.

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 WA5303414 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 GOODNIGHT WATER SYSTEM 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
2014 Pentachlorophenol MR 3 SDWIS / WA5303414 / 2326
2014 Coliform (TCR) MR 3 SDWIS / WA5303414 / 3100
2014 Picloram MR 2 SDWIS / WA5303414 / 2040
2014 Dinoseb MR 2 SDWIS / WA5303414 / 2041
2014 2,4,5-TP MR 2 SDWIS / WA5303414 / 2110
2014 Dalapon MR 2 SDWIS / WA5303414 / 2031
2013 Consumer Confidence Rule Other 1 SDWIS / WA5303414 / 7000
2006 Nitrate MR 8 SDWIS / WA5303414 / 1040
2002 Carbofuran MR 1 SDWIS / WA5303414 / 2046
2002 Methoxychlor MR 1 SDWIS / WA5303414 / 2015
2002 Di(2-ethylhexyl) phthalate MR 1 SDWIS / WA5303414 / 2039
2002 Hexachlorocyclopentadiene MR 1 SDWIS / WA5303414 / 2042
2002 Atrazine MR 1 SDWIS / WA5303414 / 2050
2002 HEXACHLOROBENZENE MR 1 SDWIS / WA5303414 / 2274
2002 Chlordane MR 1 SDWIS / WA5303414 / 2959

How GOODNIGHT WATER SYSTEM Compares

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

Metric GOODNIGHT WATER SYSTEM Washington avg Federal benchmark
Total violations 52 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 47 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 GOODNIGHT WATER SYSTEM water safe to drink?
GOODNIGHT WATER SYSTEM (PWS ID: WA5303414) has 52 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 47 people using Groundwater sources.
How many people does GOODNIGHT WATER SYSTEM serve?
GOODNIGHT WATER SYSTEM serves 47 people in Kennewick, Washington. It is a Private-owned system using Groundwater water sources with 13 service connections.
What type of violations does GOODNIGHT WATER SYSTEM have?
GOODNIGHT WATER SYSTEM has 52 total violations: 6 health-based violations (MCL exceedances or treatment failures), 43 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GOODNIGHT WATER SYSTEM water?
No PFAS testing data is available for GOODNIGHT WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does GOODNIGHT WATER SYSTEM use?
GOODNIGHT WATER SYSTEM 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial