Water Quality Report

Kneeland, CA (95549) Home Safety Report

EPA data combined for 4 water systems mapped to this ZIP (largest mapped system: Humboldt Bay Mwd)

0 recorded EPA violations (2021-2026)

EPA records for the water systems mapped to 95549 in Kneeland, CA contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality No violations
Lead Risk Below action level 0.0016 mg/L, 90th percentile, sample period ending 2023-12-31
NFIP Claim History N/A
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water No drinking-water violations in EPA records since 2021.
  • Lead The reported 90th-percentile lead result of 0.0016 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
Contaminant Summary
Evidence unavailable
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
4
Water Systems
680
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
0.0016 mg/L
Reported Lead Result
Zone 3
County Radon Potential · Low
$661K
Median Home ValueState median: $629K

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 95549. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
100/100
Observed
PFAS MCL screen
Unknown
Evidence missing
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
Unknown
Indoor environment
100/100
Outdoor environment
100/100

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (6) MODERATE

Your Water System

ZIP code 95549 in Kneeland, California is mapped to the water system Humboldt Bay Mwd (EPA ID: CA1210013). This system provides water to approximately 680 people from groundwater sources.

There are 4 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Humboldt Bay Mwd CA1210013 680 Groundwater
Humboldt C.s.d. CA1210009 19,807 Groundwater
City of Arcata, CA1210001 20,875 Groundwater
Jacoby Creek Cwd CA1210021 924 Groundwater

Other Water Quality Reports in California

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Humboldt Bay Mwd (CA1210013) on EPA.gov.

5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →
Environmental Hazards (10) HIGH
Home & Infrastructure (6) OK
Cost & Community (7) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Kneeland

Based on local data for ZIP 95549, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Gutter Installation & Repair

The median home in 95549 was built around 1988. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 95549 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 95549 (primary system: Humboldt Bay Mwd), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 95549's water come from?

The recorded water source for Humboldt Bay Mwd, a system mapped to ZIP code 95549, is Groundwater. This system serves approximately 680 people.

How can I get my water tested in Kneeland?

If Humboldt Bay Mwd supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 95549 tap water?

The Lead and Copper Rule record selected for 95549 reports a 90th-percentile lead result of 0.0016 mg/L for a water system mapped to this ZIP (record date 2023-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 95549?

95549 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Humboldt County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

How to cite this page

APA ZipCheckup. (2026). Kneeland, CA (95549) Home Safety Report. https://zipcheckup.com/report/95549/
BibTeX
@misc{zipcheckup-report-95549,
  author = {{ZipCheckup}},
  title  = {{Kneeland, CA (95549) Home Safety Report}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/95549/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 95549

ZIP Code City, State Distance Grade Violations
95550 Korbel, CA 9.6 mi N/A 1
95528 Carlotta, CA 10.4 mi N/A 0
95547 Hydesville, CA 12.4 mi N/A 0
95526 Bridgeville, CA 12.6 mi N/A 0
95540 Fortuna, CA 14.4 mi A 0
95565 Scotia, CA 15.4 mi N/A 0
95562 Rio Dell, CA 15.5 mi A 0
95524 Bayside, CA 15.7 mi A 0
95503 Eureka, CA 16.7 mi A 0
95501 Eureka, CA 17.9 mi A 0

Overall safety breakdown

Home Safety Score →

Find the right water filter

Water Filter Matcher →

Compare filters, tests & services

Compare My Options →

Compare with another ZIP

Compare Tool →
Coverage: 13/17 risk factors Data sources →
Get alerts for 95549