WaterVerge

Is Lakehead, CA Tap Water Safe to Drink?

Graded B — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

732 residents served 4 water systems PWSID: CA4500013
Overall Score
79.9 / 100
Violations
5 active
Last Updated
May 2026
Source
Groundwater
#371 of 694 in California Top 52% nationally
Private
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
79.9/100
waterverge.com
B 79.9/100

Lakehead, CA — Water Quality Report

Lakehead's drinking water received a grade of B (79.9 out of 100), indicating good water quality. The city's 4 water systems serve approximately 732 residents using groundwater.

Lead levels were measured at 2.9 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 50 violations on record, including 4 health-based violations. 5 remain unresolved.

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

What to know about Lakehead's water

Lakehead ranks #371 out of 694 cities in California for water quality, placing it below average in the state.

Lakehead relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

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

Quality Breakdown

Water quality score

See methodology →
79.9 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
30.9/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 2.9 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Lakehead, CA water safe to drink?

Concerns Identified

Lakehead's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 732 residents using groundwater (wells).

5
Active Violations
2.9 ppb
Lead (90th %ile)
None
PFAS Detected
9 events
Disaster History

Recent water quality updates for Lakehead

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Lakehead's water quality assessment. Grade: B (79.9/100).

Violation
4 drinking water violations recorded

2 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4308). 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: Surface Water Treatment Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3248). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 2.9 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 3.65 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Lakehead's water system has 50 total violations on record, including 4 health-based violations. 5 remain unresolved. 4 violations were issued in the last 5 years.

RPTTTMONMRMCLOther
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jun 2016 Revised Total Coliform Rule Resolved

Flood & environmental risk

Shasta County has experienced 9 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 Sacramento R A Delta.

SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-4308
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3248
SEVERE WINTER STORM, MUD & LAND SLIDES, & FLOODING
Flood FEMA DR-979

Where does Lakehead's water come from?

Lakehead's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 732 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sacramento R A Delta (river).

What Lakehead residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Lakehead's water.

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

Lakehead'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
2.9 ppb
EPA Action Level: 15 ppb · 19% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
3.65 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

50
Total violations
4
Health-based
5
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

50 Total
5 Active
4 Health-based
45 Resolved
Violations by category
Miscellaneous Other Rules
30
Radionuclides and Revised Rad Rule
8
Lead and Copper Rule Revisions
4
Surface Water Treatment Rule
3
Total Coliform Rule
3
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jan 1992 Active
Surface Water Treatment Rule
Treatment Technique
Health-Based Health 0
Jun 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2016
Apr 2016 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2016
Mar 2016 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Apr 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2013
Jan 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1999
Apr 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 1998
Jul 1993 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2003
Sep 1984 Resolved
Miscellaneous Other Rules
Other Violation Resolved Sep 1984
Aug 1984 Resolved
Miscellaneous Other Rules
Other Violation Resolved Aug 1984
Aug 1984 Resolved
Miscellaneous Other Rules
Other Violation Resolved Aug 1984
Jul 1984 Resolved
Miscellaneous Other Rules
Other Violation Resolved Jul 1984
Jul 1984 Resolved
Miscellaneous Other Rules
Other Violation Resolved Jul 1984
Jul 1984 Resolved
Miscellaneous Other Rules
Other Violation Resolved Jul 1984
Jun 1984 Resolved
Miscellaneous Other Rules
Other Violation Resolved Jun 1984
May 1984 Resolved
Miscellaneous Other Rules
Other Violation Resolved May 1984
Showing 20 of 50 violations
Environmental Risk

Flood & disaster history

9
Declared disasters
Apr 2017
Most recent
Flood
Most common type

Shasta County has experienced 9 federally declared disasters since 1964. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

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
Feb 1983
COASTAL STORMS, FLOODS, SLIDES & TORNADOES
Coastal Storm FEMA #677
Jan 1974
SEVERE STORMS & FLOODING
Flood FEMA #412

Recommended water filters

Based on contaminants detected in Lakehead's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.9 15 ppb Inorganic Safe
Copper (90th percentile) 3.65 1.3 mg/L Inorganic Over Limit
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.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 0.5 ppb from 1993 (0.0 ppb) to 2025 (0.5 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 1.530 mg/L from 1993 (2.120 mg/L) to 2005 (3.650 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
732
Water Systems
4
Source breakdown
Groundwater
3
Surface Water
1
Water Source

Where Lakehead's water comes from

Groundwater

Lakehead's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by private ownership and serves approximately 732 people through 4 water systems.

Local Hydrology

Water bodies near Lakehead

Lakehead is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Sacramento R A Delta
river
Infrastructure

Water systems serving Lakehead

System Name PWSID Population Source
LAKESIDE WOODS MUTUAL WATER CO CA4500013 310 GW
LAKESHORE HEIGHTS MUTUAL WATER CA4500014 264 SW
LAKESHORE VILLA MUTUAL WATER CO CA4500008 88 GW
LAKEHEAD SUBD MUTUAL WATER CO CA4500016 70 GW
Regional Comparison

How Lakehead compares

Full California rankings →

Lakehead's score of 79.9/100 is above the average of 57/100 among major California cities. It outscores 8 of 10 nearby cities.

Lakehead (this city)
79.9
Oakland
77.9
San Diego
39.7
Sacramento
31.2
California avg
57
City Profile

About Lakehead, CA

Wikipedia →

Lakehead is a census-designated place (CDP) in Shasta County, California. Lakehead sits at an elevation of 1,447 feet (441 m). Lakehead is located halfway between Seattle and Los Angeles. Its population is 469 as of the 2020 census, up from 461 from the 2010 census.

Economic Profile
$62,683
Median Income
$219,669
Median Home Value
$1,554/mo
Median Rent
7.6%
Unemployment
Community
61.7
Median Age
47
People / sq mi
13.5%
College Educated
84.1%
Homeownership
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Frequently asked questions

Is Lakehead, CA tap water safe to drink?

Lakehead's water quality earned a grade of B (79.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #371 out of 694 cities tested in California.

What contaminants are in Lakehead's water?

Lead was measured at 2.9 ppb (90th percentile). No PFAS compounds were detected. 50 violations are on record.

How is Lakehead'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 Lakehead?

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

Where does Lakehead's water come from?

Lakehead's water is sourced from Groundwater. The city has 4 water systems serving approximately 732 residents.

What health violations has Lakehead's water system had?

Lakehead has 4 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.

Is Lakehead's groundwater at risk of contamination?

Lakehead uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 50 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Lakehead's water compare to other cities?

Lakehead ranks #371 out of 694 cities in California (better than 47% of state cities) and #8101 out of 15744 cities nationally (49th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.