Is Westmorland, CA Tap Water Safe to Drink?
Graded B, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
79.8/100
waterverge.com Westmorland, CA — Water Quality Report
Westmorland's drinking water received a grade of B (79.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,202 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 24 violations on record, including 20 health-based violations. 4 remain unresolved.
What to know about Westmorland's water
Westmorland ranks #375 out of 694 cities in California for water quality, placing it below 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, Westmorland may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Westmorland, CA water safe to drink?
Westmorland's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,202 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Westmorland
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Westmorland's water quality assessment. Grade: B (79.8/100).
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Federal disaster declaration (FEMA DR-4750). Hurricane event — may have impacted local water infrastructure.
1 health-based. Contaminants: Lead and Copper Rule, TTHM.
Federal disaster declaration (FEMA DR-3592). Flood event — may have impacted local water infrastructure.
1 health-based. Contaminants: TTHM.
Key contaminant findings
Based on the most recent EPA sampling data for Westmorland's water supply.
Well within EPA limits.
Violation history
Westmorland's water system has 24 total violations on record, including 20 health-based violations. 4 remain unresolved. 4 violations were issued in the last 5 years.
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 Nr Westmorland.
Where does Westmorland's water come from?
Westmorland's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,202 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 Nr Westmorland (river).
What Westmorland residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Westmorland's water.
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.
Westmorland'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Westmorland
Industrial polluters nearby
Reported releases to surface water by facilities near Westmorland, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
SPRECKELS SUGAR CO INC. BRAWLEY, CA92227 | — | — | 9.3 mi |
MESQUITE MINE BRAWLEY, CA92227 | — | — | 5.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Westmorland
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- STOKER CHEMICAL10.0 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
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.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Westmorland compares by contaminant
Explore where Westmorland ranks among all California cities for specific contaminants.
Water source & infrastructure
Where Westmorland's water comes from
Westmorland'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 local government ownership and serves approximately 2,202 people through 1 water system.
Water bodies near Westmorland
Westmorland is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Westmorland
| System Name | PWSID | Population | Source |
|---|---|---|---|
| WESTMORLAND, CITY OF | CA1310008 | 2,202 | SWP |
How Westmorland compares
Full California rankings →Westmorland's score of 79.8/100 is above the average of 57/100 among major California cities. It outscores 8 of 10 nearby cities.
Nearby cities
View California rankings →About Westmorland, CA
Wikipedia →Westmorland is a city in Imperial County, California. Westmorland is located 8.5 miles (14 km) southwest of Calipatria. The population was 2,014 at the 2020 census, down from 2,225 at the 2010 census, up from 2,131 in 2000. It is part of the El Centro Metropolitan Area. The mayor of Westmorland is Judith Rivera.
Learn more about your water
Guides and resources related to Westmorland's water quality findings.
Explore water quality across Imperial
Frequently asked questions
Is Westmorland, CA tap water safe to drink?
Westmorland's water quality earned a grade of B (79.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #375 out of 694 cities tested in California.
What contaminants are in Westmorland's water?
Lead was measured at 0.0 ppb (90th percentile). 24 violations are on record.
How is Westmorland'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 Westmorland?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Westmorland's water come from?
Westmorland's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,202 residents.
What health violations has Westmorland's water system had?
Westmorland has 20 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. 4 violations remain unresolved.
How does Westmorland's water compare to other cities?
Westmorland ranks #375 out of 694 cities in California (better than 46% of state cities) and #8134 out of 15744 cities nationally (48th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Westmorland's small water system affect quality?
Westmorland's system serves approximately 2,202 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 24 violations on record.