WaterVerge

Is Gasquet, CA Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

657 residents served 1 water system PWSID: CA0800555
Overall Score
91.3 / 100
Violations
1 active
Last Updated
May 2026
Source
Surface water
#111 of 694 in California Top 11% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.3/100
waterverge.com
A 91.3/100

Gasquet, CA — Water Quality Report

Gasquet's drinking water received a grade of A (91.3 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 657 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 4 violations on record, including 1 health-based violation. 1 remains unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Gasquet's water

Gasquet ranks #111 out of 694 cities in California for water quality, placing it above average 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.

As a small community water system, Gasquet may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
91.3 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.1/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
18.2/20
A
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Gasquet, CA water safe to drink?

Use Caution

Gasquet's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 657 residents using surface water (rivers, lakes, or reservoirs).

1
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Gasquet

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Gasquet's water quality assessment. Grade: A (91.3/100).

Disaster
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-3592). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4683). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Gasquet's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Gasquet's water system has 4 total violations on record, including 1 health-based violation. 1 remain unresolved. 1 violation was issued in the last 5 years.

MONMRTT
Most recent violations:
Jan 2022 Revised Total Coliform Rule Resolved
Oct 2019 Lead and Copper Rule Open
Jul 1993 Lead and Copper Rule Resolved
Jun 1993 Surface Water Treatment Rule Resolved

Flood & environmental risk

Del Norte County has experienced 10 federally declared disasters since 1964. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Smith R Nr Crescent City.

SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-3592
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4683
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-4308

Where does Gasquet's water come from?

Gasquet's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 657 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Smith R Nr Crescent City (river).

What Gasquet residents can do

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Gasquet's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
NDMA (N-Nitrosodimethylamine)
Disinfection Byproduct
Elevated
6.6 ng/L
CA Public Health Goal: 10 ng/L · 66% of limit
DetectedProbable CarcinogenUCMR 2 Data (2008–2010)
Compliance Record

Violation summary

4
Total violations
1
Health-based
1
Active / unresolved
Jan 2022
Most recent violation
Compliance Record

Violations & advisories

4 Total
1 Active
1 Health-based
3 Resolved
Violations by category
Lead and Copper Rule
2
Revised Total Coliform Rule
1
Surface Water Treatment Rule
1
Oct 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2022 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2022
Jul 1993 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2003
Jun 1993 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jun 1993
Environmental Risk

Drought conditions

D1 — moderate drought

Del Norte County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

17.5%
Months in D2+ (last 30y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Mar 2023
Most recent
Flood
Most common type

Del Norte County has experienced 10 federally declared disasters since 1964. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #3592
Jan 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4683
Apr 2017
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #4308
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3248
Feb 1993
SEVERE WINTER STORM, MUD & LAND SLIDES, & FLOODING
Flood FEMA #979
Feb 1986
SEVERE STORMS & FLOODING
Flood FEMA #758

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 1996 (0.0 ppb) to 2022 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
657
Water Systems
1
Water Source

Where Gasquet's water comes from

Surface Water

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

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 657 people through 1 water system.

Local Hydrology

Water bodies near Gasquet

Gasquet is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Smith R Nr Crescent City
river
Infrastructure

Water systems serving Gasquet

System Name PWSID Population Source
GASQUET C.S.D. CA0800555 657 SW
Regional Comparison

How Gasquet compares

Full California rankings →

Gasquet's score of 91.3/100 is above the average of 57/100 among major California cities. It outscores 9 of 10 nearby cities.

Gasquet (this city)
91.3
Oakland
77.9
San Diego
39.7
Sacramento
31.2
California avg
57
City Profile

About Gasquet, CA

Economic Profile
$26,736
Median Income
$880/mo
Median Rent
4.4%
Unemployment
Community
61.7
Median Age
30
People / sq mi
18.1%
College Educated
84%
Homeownership
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Frequently asked questions

Is Gasquet, CA tap water safe to drink?

Gasquet's water quality earned a grade of A (91.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #111 out of 694 cities tested in California.

What contaminants are in Gasquet's water?

Lead was measured at 0.0 ppb (90th percentile). 4 violations are on record.

How is Gasquet'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 Gasquet?

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

Where does Gasquet's water come from?

Gasquet's water is sourced from Surface water. The city has 1 water system serving approximately 657 residents.

What health violations has Gasquet's water system had?

Gasquet has 1 health-based violation on record. The most recent violation was recorded in January 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

How does Gasquet's water compare to other cities?

Gasquet ranks #111 out of 694 cities in California (better than 84% of state cities) and #1781 out of 15744 cities nationally (89th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Gasquet's small water system affect quality?

Gasquet's system serves approximately 657 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 4 violations on record.