WaterVerge

Is Cedarpines Park, CA Tap Water Safe to Drink?

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

2K residents served 1 water system PWSID: CA3610011
Overall Score
91.3 / 100
Violations
None active
Last Updated
May 2026
Source
Purchased surface water
#110 of 694 in California Top 11% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.3/100
waterverge.com
A 91.3/100

Cedarpines Park, CA — Water Quality Report

Cedarpines Park'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 2,458 residents using purchased 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 5 violations on record, including 5 health-based violations. All violations have been resolved.

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

What to know about Cedarpines Park's water

Cedarpines Park ranks #110 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, Cedarpines Park 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
44.3/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
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
4/5
B
Water source: Purchased surface water.
Water Safety

Is Cedarpines Park, CA water safe to drink?

Generally Safe

Based on EPA testing data, Cedarpines Park's tap water is generally safe to drink. The water system earned a grade of A (91.3/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 2,458 residents using surface water (rivers, lakes, or reservoirs).

None
Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Cedarpines Park

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Cedarpines Park'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, AND MUDSLIDES

Federal disaster declaration (FEMA DR-3591). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Nitrate.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.20 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

Cedarpines Park's water system has 5 total violations on record, including 5 health-based violations. All violations have been resolved.

MCL
Most recent violations:
Aug 1997 Coliform (TCR) Resolved
Feb 1993 Nitrate Resolved
Nov 1992 Coliform (TCR) Resolved
Oct 1992 Coliform (TCR) Resolved
Sep 1992 Coliform (TCR) Resolved

Flood & environmental risk

San Bernardino 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 Deep C Nr Hesperia, Wf Mojave R Ab Mojave R Forks Res Nr Hesperia, City C Nr Highland, E Twin C Nr Arrowhead Springs, Waterman Canyon Creek Nr Arrowhead Springs.

SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-3592
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-3591
SEVERE WINTER STORMS, FLOODING, AND DEBRIS AND MUD FLOWS
Flood FEMA DR-1952

Where does Cedarpines Park's water come from?

Cedarpines Park's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,458 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Deep C Nr Hesperia (river), Wf Mojave R Ab Mojave R Forks Res Nr Hesperia (river), City C Nr Highland (river), E Twin C Nr Arrowhead Springs (river), Waterman Canyon Creek Nr Arrowhead Springs (river).

What Cedarpines Park 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

Cedarpines Park'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
Copper (90th percentile)
Inorganic
Over Limit
2.20 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

5
Total violations
5
Health-based
0
Active / unresolved
Aug 1997
Most recent violation
Compliance Record

Violations & advisories

5 Total
0 Active
5 Health-based
5 Resolved
Violations by category
Total Coliform Rule
4
Nitrate Rule
1
Aug 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 1997
Feb 1993 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Feb 1993
Nov 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 1992
Oct 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1992
Sep 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1992
Environmental Risk

Drought conditions

D1 — moderate drought

San Bernardino 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.

50.7%
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

San Bernardino 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.

Mar 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #3592
Jan 2023
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #3591
Jan 2011
SEVERE WINTER STORMS, FLOODING, AND DEBRIS AND MUD FLOWS
Flood FEMA #1952
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3248
Feb 1993
SEVERE WINTER STORM, MUD & LAND SLIDES, & FLOODING
Flood FEMA #979
Feb 1992
RAIN/SNOW/WIND STORMS, FLOODING, MUDSLIDES
Flood FEMA #935

Recommended water filters

Based on contaminants detected in Cedarpines Park'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) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.20 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 7.0 ppb from 1993 (7.0 ppb) to 2025 (0.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 1.335 mg/L from 1993 (3.535 mg/L) to 1996 (2.200 mg/L).
Contaminant Rankings

See how Cedarpines Park compares by contaminant

Explore where Cedarpines Park ranks among all California cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Private
Population Served
2,458
Water Systems
1
Water Source

Where Cedarpines Park's water comes from

Purchased Surface Water

Cedarpines Park'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 private ownership and serves approximately 2,458 people through 1 water system.

Local Hydrology

Water bodies near Cedarpines Park

Cedarpines Park is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Deep C Nr Hesperia
river
Wf Mojave R Ab Mojave R Forks Res Nr Hesperia
river
City C Nr Highland
river
E Twin C Nr Arrowhead Springs
river
Waterman Canyon Creek Nr Arrowhead Springs
river
Infrastructure

Water systems serving Cedarpines Park

System Name PWSID Population Source
CEDARPINES PARK MWC CA3610011 2,458 SWP
Regional Comparison

How Cedarpines Park compares

Full California rankings →

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

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

About Cedarpines Park, CA

Wikipedia →

Cedarpines Park is an unincorporated community located in the San Bernardino Mountains of San Bernardino County, California, United States. Positioned west of Crestline, the community is situated at an elevation of 4,734 feet and is located within the San Bernardino National Forest.

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Frequently asked questions

Is Cedarpines Park, CA tap water safe to drink?

Cedarpines Park'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 #110 out of 694 cities tested in California.

What contaminants are in Cedarpines Park's water?

Lead was measured at 0.0 ppb (90th percentile). 5 violations are on record.

How is Cedarpines Park'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 Cedarpines Park?

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

Where does Cedarpines Park's water come from?

Cedarpines Park's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,458 residents.

What health violations has Cedarpines Park's water system had?

Cedarpines Park has 5 health-based violations on record. The most recent violation was recorded in August 1997. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.

How does Cedarpines Park's water compare to other cities?

Cedarpines Park ranks #110 out of 694 cities in California (better than 84% of state cities) and #1762 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 Cedarpines Park's small water system affect quality?

Cedarpines Park's system serves approximately 2,458 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 5 violations on record.