WaterVerge

Is Heber, 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 ↓

7K residents served 1 water system PWSID: CA1310007
Overall Score
90.2 / 100
Violations
1 active
Last Updated
May 2026
Source
Purchased surface water
#134 of 694 in California Top 15% nationally
Private
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.2/100
waterverge.com
A 90.2/100

Heber, CA — Water Quality Report

Heber's drinking water received a grade of A (90.2 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 6,979 residents using purchased surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 22 violations on record, including 15 health-based violations. 1 remains unresolved.

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

What to know about Heber's water

Heber ranks #134 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
90.2 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
38/45
B
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
1 PFAS compound detected.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Heber, CA water safe to drink?

Use Caution

Heber's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (90.2/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 6,979 residents using surface water (rivers, lakes, or reservoirs).

1
Active Violations
0.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
6 events
Disaster History

Recent water quality updates for Heber

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Heber's water quality assessment. Grade: A (90.2/100).

Disaster
TROPICAL STORM HILARY

Federal disaster declaration (FEMA DR-4750). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

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

Violation
2 drinking water violations recorded

1 health-based. Contaminants: TTHM, Revised Total Coliform Rule.

Key contaminant findings

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

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

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 74.4000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Heber's water system has 22 total violations on record, including 15 health-based violations. 1 remain unresolved. 1 violation was issued in the last 5 years.

MONMCLMRTT
Most recent violations:
Jul 2023 Revised Total Coliform Rule Resolved
Apr 2017 TTHM Resolved
Apr 2017 Revised Total Coliform Rule Resolved
Jan 2017 TTHM Resolved
Oct 2016 TTHM Resolved

Flood & environmental risk

Imperial County has experienced 6 federally declared disasters since 1976. 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 New R.

TROPICAL STORM HILARY
Hurricane FEMA DR-4750
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-3592
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3248

Where does Heber's water come from?

Heber's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 6,979 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include New R (river).

What Heber 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

Heber'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
lithium
PFAS / Forever Chemical
Near MCL
74.4000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Above state screening
74.4 µg/L
State screening level: 60 µg/L · +20% over limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

22
Total violations
15
Health-based
1
Active / unresolved
Jul 2023
Most recent violation
Compliance Record

Violations & advisories

22 Total
1 Active
15 Health-based
21 Resolved
3 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
8
Stage 1 Disinfectants and Disinfection Byproducts Rule
7
Revised Total Coliform Rule
2
Surface Water Treatment Rule
2
Total Coliform Rule
1
Active
Compliance Violation
Monitoring 0
Jul 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2023
Apr 2017 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2017
Apr 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2017
Jan 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2017
Oct 2016 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Dec 2016
Jul 2016 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Sep 2016
Jul 2016 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2016
Apr 2016 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2016
Jan 2016 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2016
Oct 2012 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2012
Jul 2012 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2012
Jan 2012 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2012
Oct 2006 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2006
Apr 2006 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2006
Oct 2005 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2005
Jan 2005 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2005
Jan 2004 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Oct 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2000
Mar 1995 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Mar 1995
Showing 20 of 22 violations
Environmental Risk

Flood & disaster history

6
Declared disasters
Nov 2023
Most recent
Flood
Most common type

Imperial County has experienced 6 federally declared disasters since 1976. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Nov 2023
TROPICAL STORM HILARY
Hurricane FEMA #4750
Mar 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #3592
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3248
Feb 1993
SEVERE WINTER STORM, MUD & LAND SLIDES, & FLOODING
Flood FEMA #979
Jul 1983
FLOODING
Flood FEMA #687
Sep 1976
FLOODING, TROPICAL STORM KATHLEEN
Flood FEMA #521

Recommended water filters

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

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
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 74.400 HI µg/L PFAS 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 decreased by 0.0 ppb from 1995 (0.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Private
Population Served
6,979
Water Systems
1
Water Source

Where Heber's water comes from

Purchased Surface Water

Heber'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 6,979 people through 1 water system.

Local Hydrology

Water bodies near Heber

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

New R
river
Infrastructure

Water systems serving Heber

System Name PWSID Population Source
HEBER PUBLIC UTILITY DISTRICT CA1310007 6,979 SWP
Regional Comparison

How Heber compares

Full California rankings →

Heber's score of 90.2/100 is above the average of 57/100 among major California cities. It outscores 9 of 10 nearby cities.

Heber (this city)
90.2
Oakland
77.9
San Diego
39.7
Sacramento
31.2
California avg
57
City Profile

About Heber, CA

Wikipedia →

Heber is a census-designated place (CDP) in Imperial County, California. Heber is located 4.5 miles (7 km) north-northwest of Calexico. The population was 6,896 at the 2020 census, up from 4,275 in 2010.

Economic Profile
$56,604
Median Income
$230,676
Median Home Value
$931/mo
Median Rent
4.5%
Unemployment
Community
30.8
Median Age
2,127
People / sq mi
20.9%
College Educated
68%
Homeownership
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Frequently asked questions

Is Heber, CA tap water safe to drink?

Heber's water quality earned a grade of A (90.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #134 out of 694 cities tested in California.

What contaminants are in Heber's water?

Lead was measured at 0.0 ppb (90th percentile). 1 PFAS compound was detected. 22 violations are on record.

How is Heber'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 Heber?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Heber's water come from?

Heber's water is sourced from Purchased surface water. The city has 1 water system serving approximately 6,979 residents.

What health violations has Heber's water system had?

Heber has 15 health-based violations on record. The most recent violation was recorded in July 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

How does Heber's water compare to other cities?

Heber ranks #134 out of 694 cities in California (better than 81% of state cities) and #2345 out of 15744 cities nationally (85th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.