Is West Hollywood, CA Tap Water Safe to Drink?
Graded B-, with 18 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
74/100
waterverge.com West Hollywood, CA — Water Quality Report
West Hollywood's drinking water received a grade of B- (74 out of 100), indicating fair water quality. The city's 1 water system serves approximately 726 residents using purchased ground 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 88 violations on record, including 17 health-based violations. 18 remain unresolved.
What to know about West Hollywood's water
West Hollywood ranks #469 out of 694 cities in California for water quality, placing it below average in the state.
West Hollywood purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
As a small community water system, West Hollywood may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is West Hollywood, CA water safe to drink?
West Hollywood's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 726 residents using groundwater (wells).
Recent water quality updates for West Hollywood
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into West Hollywood's water quality assessment. Grade: B- (74/100).
1 health-based. Contaminants: TTHM.
Federal disaster declaration (FEMA DR-3592). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4683). Flood event — may have impacted local water infrastructure.
1 health-based. Contaminants: TTHM.
1 health-based. Contaminants: Public Notice, TTHM.
Key contaminant findings
Based on the most recent EPA sampling data for West Hollywood's water supply.
Well within EPA limits.
Violation history
West Hollywood's water system has 88 total violations on record, including 17 health-based violations. 18 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Los Angeles 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 Los Angeles R A Sepulveda Dam.
Where does West Hollywood's water come from?
West Hollywood's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 726 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Los Angeles R A Sepulveda Dam (river).
What West Hollywood residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in West Hollywood'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.
West Hollywood'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 West Hollywood
Industrial polluters nearby
Reported releases to surface water by facilities near West Hollywood, ranked by pounds discharged annually.
Total reported releases to surface water: 2 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
AVIBANK MANUFACTURING INC NORTH HOLLYWOOD, CA91605 | Chromium | 1 | 7.8 mi |
INDUSTRIAL SERVICE OIL CO LOS ANGELES, CA90023 | Lead | 0 | 10.0 mi |
KLUNE INDUSTRIES INC. NORTH HOLLYWOOD, CA91605 | Lead | 0 | 8.3 mi |
HAWKER PACIFIC AEROSPACE SUN VALLEY, CA91352 | Lead And Lead Compounds | 0 | 7.8 mi |
SENIOR AEROSPACE INC SSP DIV BURBANK, CA91504 | Lead | 0 | 8.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of West Hollywood
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.
- SAN FERNANDO VALLEY AREA 46.9 mi
- SAN FERNANDO VALLEY AREA 17.1 mi
- SAN FERNANDO VALLEY AREA 27.1 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
Los Angeles 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.
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 West Hollywood compares by contaminant
Explore where West Hollywood ranks among all California cities for specific contaminants.
Water source & infrastructure
Where West Hollywood's water comes from
West Hollywood purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of West Hollywood's local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by private ownership and serves approximately 726 people through 1 water system.
Water bodies near West Hollywood
West Hollywood is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving West Hollywood
| System Name | PWSID | Population | Source |
|---|---|---|---|
| BIG OAK MHP | TX1020061 | 726 | GWP |
How West Hollywood compares
Full California rankings →West Hollywood's score of 74/100 is above the average of 57/100 among major California cities. It outscores 7 of 10 nearby cities.
Nearby cities
View California rankings →About West Hollywood, CA
Wikipedia →West Hollywood is a city in Los Angeles County, California, United States. Incorporated in 1984, it is home to the Sunset Strip, and located between the cities of Los Angeles and Beverly Hills. As of the 2020 U.S. census, its population was 35,757.
Learn more about your water
Guides and resources related to West Hollywood's water quality findings.
Explore water quality across Harrison
Frequently asked questions
Is West Hollywood, CA tap water safe to drink?
West Hollywood's water quality earned a grade of B- (74/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #469 out of 694 cities tested in California.
What contaminants are in West Hollywood's water?
Lead was measured at 0.0 ppb (90th percentile). 88 violations are on record.
How is West Hollywood'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 West Hollywood?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does West Hollywood's water come from?
West Hollywood's water is sourced from Purchased ground water. The city has 1 water system serving approximately 726 residents.
What health violations has West Hollywood's water system had?
West Hollywood has 17 health-based violations on record. The most recent violation was recorded in January 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 18 violations remain unresolved.
Is West Hollywood's groundwater at risk of contamination?
West Hollywood 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 88 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 West Hollywood's water compare to other cities?
West Hollywood ranks #469 out of 694 cities in California (better than 32% of state cities) and #9968 out of 15744 cities nationally (37th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does West Hollywood's small water system affect quality?
West Hollywood's system serves approximately 726 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 88 violations on record.