Skip to main content
WaterVerge

Water quality report · updated Jul 2026

Is Long Beach, WA Tap Water Safe to Drink?

Graded B, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do ↓

0 contaminants over a legal limit
3.8 ppb lead, 90th percentile · low
3 unresolved violations
5K people served by 1 water system

PWSID WA5348000 · high data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
B 79.5 / 100

#138 of 294Washington cities
How we grade →

01The verdict: is Long Beach water safe?

Long Beach's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 4,592 residents using surface water (rivers, lakes, or reservoirs).

The concern

3 unresolved violations on record

EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 3.8 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

A flood-prone service area

10 federal disaster declarations on record. After severe weather, watch for boil-water advisories.

See the risk factors ↓

Long Beach's drinking water received a grade of B (79.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 4,592 residents using surface water.

Lead levels were measured at 3.8 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals. The system has 178 violations on record, including 15 health-based violations. 3 remain unresolved.

Long Beach ranks #138 out of 294 cities in Washington for water quality, placing it mid-range in the state. The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

How the 79.5/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
31.5 / 45C
Lead & CopperLead at 3.8 ppb (90th percentile).
18 / 20A
ContaminantsNo PFAS compounds detected.
16 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
10 / 10A
Source RiskWater source: Surface water.
4 / 5B

02What's in Long Beach's water

Every contaminant flagged in Long Beach, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
31 contaminants tested under EPA SDWIS, LCR and UCMR programs · 1 detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.8 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Long Beach's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 178 violations on record, including 15 health-based violations. 3 remain unresolved.

8 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

4 health-based in 10 yrs
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Long Beach's water quality assessment. Grade: B (79.5/100).
DisasterSEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODINFederal disaster declaration (FEMA DR-4650). Flood event — may have impacted local water infrastructure.
Violation1 drinking water violation recorded1 health-based. Contaminants: TTHM.Resolved
DisasterSEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDESFederal disaster declaration (FEMA DR-4539). Flood event — may have impacted local water infrastructure.
Violation1 drinking water violation recorded1 health-based. Contaminants: TTHM.Resolved
Violation1 drinking water violation recorded1 health-based. Contaminants: TTHM.Resolved
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1992 — 5 ppb1993 — 15 ppb1994 — 6 ppb1995 — 2 ppb1996 — 3 ppb1999 — 2 ppb2002 — 3 ppb2005 — 4 ppb2008 — 1 ppb2011 — 1 ppb2014 — 1 ppb2017 — 2.4 ppb2020 — 1.2 ppb2023 — 3.8 ppb53.8199219952002201120202023

Down 1.2 ppb since 1992. Latest reading: 3.8 ppb (2023) — 25% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Long Beach's water comes from

Long Beach's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Local treatment

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

1 system

1 water system (1 wholesaler), operated under local government ownership.

Delivery

4,592 people

Residents served across Long Beach's service area.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards. These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge. The system is operated by local government ownership and serves approximately 4,592 people through 1 water system.

System namePWSIDPopulationSource
LONG BEACH WATER DEPARTMENT WA5348000 4,592 Surface Water

05Pressure on Long Beach's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Flood & storm history

Recurring — declared disasters

10 federal disaster declarations on record for Pacific County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

SEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODIN Mar 2022 · DR-4650
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES Apr 2020 · DR-4539
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, MUDSLIDES, AND A T Feb 2016 · DR-4253

06How Long Beach compares

Scores for nearby Washington cities on one line, with the average marked.

Long Beach (this city)
79.5 · B
Kent
44.4 · F
Seattle
42.3 · F
Spokane
39.2 · F
Vancouver
32.9 · F
Tacoma
32.2 · F

dashed line = Washington average (53/100)

Long Beach scores 79.5/100above the Washington average of 53/100. It outscores 9 of 10 nearby cities. Full Washington rankings →

Pacific water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Long Beach's water — not generic advice.

Extra protection

A basic carbon filter still helps

Long Beach's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Because lead was detected

Flush taps & check your service line

Lead leaches from pipes as water sits. Run cold water 30 seconds before drinking (especially mornings), and ask the utility whether your address still has a lead service line.

Lead risks explained →
Stay informed

Watch for Long Beach alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Long Beach, WA tap water safe to drink?

Long Beach's water quality earned a grade of B (79.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #138 out of 294 cities tested in Washington.

What contaminants are in Long Beach's water?

Lead was measured at 3.8 ppb (90th percentile). No PFAS compounds were detected. 178 violations are on record.

How is Long Beach's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Long Beach?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Long Beach's water come from?

Long Beach's water is sourced from Surface water. The city has 1 water system serving approximately 4,592 residents.

What health violations has Long Beach's water system had?

Long Beach has 15 health-based violations on record. The most recent violation was recorded in July 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

How does Long Beach's water compare to other cities?

Long Beach ranks #138 out of 294 cities in Washington (better than 53% of state cities) and #8139 out of 15382 cities nationally (47th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail
About Long Beach, WA: Long Beach is a city in Pacific County, Washington, United States. The population was 1,688 at the 2020 census. Median household income $47,188 · median home value $305,686 · median age 51.3 · 63.7% homeowners · 17.8% college educated. Wikipedia → Service area: 1 ZIP code across Pacific.
Show ZIP codes 98631
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.