WaterVerge

Is Pine Valley, CA Tap Water Safe to Drink?

Graded B- with no contaminants above EPA limits. Here's everything we tested and how Pine Valley ranks. What to do next ↓

3K residents served 2 water systems PWSID: CA3710039
Overall Score
73.1 / 100
Violations
None active
Last Updated
May 2026
Source
Groundwater
#481 of 694 in California Top 65% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
73.1/100
waterverge.com
B- 73.1/100

Pine Valley, CA — Water Quality Report

Pine Valley's drinking water received a grade of B- (73.1 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 2,900 residents using groundwater.

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 34 violations on record, including 11 health-based violations. All violations have been resolved.

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

What to know about Pine Valley's water

Pine Valley ranks #481 out of 694 cities in California for water quality, placing it below average in the state.

Pine Valley 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, Pine Valley may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 12 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
73.1 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
21.1/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Pine Valley, CA water safe to drink?

Use Caution

Pine Valley's tap water meets most EPA standards but has areas that warrant attention. With a grade of B- (73.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 2 water systems serve approximately 2,900 residents using groundwater (wells).

12
Violations (5yr)
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Pine Valley

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Pine Valley's water quality assessment. Grade: B- (73.1/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Combined Uranium.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Combined Uranium.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Combined Uranium.

Disaster
SEVERE STORM AND FLOODING

Federal disaster declaration (FEMA DR-4758). 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.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Pine Valley's water system has 34 total violations on record, including 11 health-based violations. All violations have been resolved. 12 violations were issued in the last 5 years.

MCLMRMONOther
Most recent violations:
Jul 2025 Combined Uranium Resolved
Apr 2025 Combined Uranium Resolved
Jan 2025 Combined Uranium Resolved
Oct 2024 Combined Uranium Resolved
Jul 2024 Combined Uranium Resolved

Flood & environmental risk

San Diego County has experienced 10 federally declared disasters since 1980. 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 Sweetwater R Nr Descanso.

SEVERE STORM AND FLOODING
Flood FEMA DR-4758
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4683
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-3591

Where does Pine Valley's water come from?

Pine Valley's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,900 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sweetwater R Nr Descanso (river).

What Pine Valley 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

Pine Valley'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
Compliance Record

Violation summary

34
Total violations
11
Health-based
0
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

34 Total
0 Active
11 Health-based
34 Resolved
Violations by category
Radionuclides and Revised Rad Rule
12
Miscellaneous Other Rules
10
Total Coliform Rule
6
Revised Total Coliform Rule
2
Nitrate Rule
2
Jul 2025 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Sep 2025
Apr 2025 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Jun 2025
Jan 2025 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Mar 2025
Oct 2024 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Dec 2024
Jul 2024 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Sep 2024
Apr 2024 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Jun 2024
Apr 2024 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2024
Jan 2024 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2024
Jan 2024 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Mar 2024
Oct 2023 Resolved
Combined Uranium
Max Contaminant Level
Health-Based Health Resolved Dec 2023
Oct 2023 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jul 2023 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Dec 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2018
Sep 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2017
Jan 2015 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2015
Sep 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2008
Feb 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 2008
Jul 2006 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2006
Jun 2005 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2005
Jan 2005 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2005
Showing 20 of 34 violations
Environmental Risk

Flood & disaster history

10
Declared disasters
Feb 2024
Most recent
Flood
Most common type

San Diego County has experienced 10 federally declared disasters since 1980. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Feb 2024
SEVERE STORM AND FLOODING
Flood FEMA #4758
Jan 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4683
Jan 2023
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #3591
Mar 2017
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #4305
Jan 2011
SEVERE WINTER STORMS, FLOODING, AND DEBRIS AND MUD FLOWS
Flood FEMA #1952
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3248

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 6.0 ppb from 1995 (6.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
2,900
Water Systems
2
Water Source

Where Pine Valley's water comes from

Groundwater

Pine Valley'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 2,900 people through 2 water systems.

Local Hydrology

Water bodies near Pine Valley

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

Sweetwater R Nr Descanso
river
Infrastructure

Water systems serving Pine Valley

System Name PWSID Population Source
PINE VALLEY MUTUAL WC CA3710039 2,645 GW
PINE VALLEY BIBLE CONFERENCE CENTER CA3701934 255 GW
Regional Comparison

How Pine Valley compares

Full California rankings →

Pine Valley's score of 73.1/100 is above the average of 57/100 among major California cities. It outscores 7 of 10 nearby cities.

Pine Valley (this city)
73.1
Oakland
77.9
San Diego
39.7
Sacramento
31.2
California avg
57
City Profile

About Pine Valley, CA

Wikipedia →

Pine Valley is a community and census-designated place (CDP) in the Cuyamaca Mountains of the Mountain Empire area, in southeastern San Diego County, California. The population was 1,645 at the 2020 census, up from 1,510 at the 2010 census.

Economic Profile
$116,477
Median Income
$552,201
Median Home Value
35%
Unemployment
Community
37.1
Median Age
96
People / sq mi
25.1%
College Educated
90.5%
Homeownership
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Frequently asked questions

Is Pine Valley, CA tap water safe to drink?

Pine Valley's water quality earned a grade of B- (73.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #481 out of 694 cities tested in California.

What contaminants are in Pine Valley's water?

Lead was measured at 0.0 ppb (90th percentile). 34 violations are on record.

How is Pine Valley'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 Pine Valley?

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

Where does Pine Valley's water come from?

Pine Valley's water is sourced from Groundwater. The city has 2 water systems serving approximately 2,900 residents.

What health violations has Pine Valley's water system had?

Pine Valley has 11 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.

Is Pine Valley's groundwater at risk of contamination?

Pine Valley 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 34 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 Pine Valley's water compare to other cities?

Pine Valley ranks #481 out of 694 cities in California (better than 31% of state cities) and #10158 out of 15744 cities nationally (36th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.