Metro Report
Grade B
Los Angeles Metro Area Home Safety Report
666 ZIP codes · 11,856,185 residents · 325 water systems
Data source: EPA SDWIS, U.S. Census Bureau, FEMA NFIP Last verified: 2026-06-03
70/100
Avg Safety Score
1,688
EPA Violations
1
ZIPs Exceeding Lead Limit
76%
Pre-1986 Housing
Grade Distribution
A: 9
B: 407
C: 118
D: 117
F: 10
The Los Angeles metropolitan area spans California and includes 666 ZIP codes served by 325 community water systems. We analyzed EPA compliance records, lead testing data, housing age, flood insurance claims, and radon risk for every ZIP in the metro to produce this report.
Metro-Wide Safety Score: B (70/100)
The Home Safety Score combines water quality, lead risk, radon exposure, and flood risk into a single 0-100 rating.
Grade Distribution
| Grade | ZIP Codes | Percentage |
|---|---|---|
| A | 9 | 1% |
| B | 407 | 62% |
| C | 118 | 18% |
| D | 117 | 18% |
| F | 10 | 2% |
63% of ZIP codes in the LA metro earned an A or B — above-average safety conditions for homebuyers.
Safest Neighborhoods (Top 10 ZIPs)
| Rank | ZIP Code | City | Score | Grade |
|---|---|---|---|---|
| 1 | 90623 | La Palma | 95 | A |
| 2 | 91109 | Pasadena | 93 | A |
| 3 | 90622 | Buena Park | 88 | A |
| 4 | 90624 | Buena Park | 88 | A |
| 5 | 90632 | La Habra | 88 | A |
| 6 | 90633 | La Habra | 88 | A |
| 7 | 90620 | Buena Park | 87 | A |
| 8 | 93596 | Boron | 87 | A |
| 9 | 90740 | Seal Beach | 85 | A |
| 10 | 90220 | Compton | 83 | B |
The safest ZIP code is 90623 in La Palma with a score of 95/100. These areas typically have newer infrastructure, fewer EPA violations, and lower environmental risk factors.
Highest-Risk Neighborhoods (Bottom 10 ZIPs)
| Rank | ZIP Code | City | Score | Grade | Key Risk |
|---|---|---|---|---|---|
| 1 | 91426 | Encino | 17 | F | 18 violations |
| 2 | 91416 | Encino | 17 | F | 18 violations |
| 3 | 91436 | Encino | 18 | F | 18 violations |
| 4 | 91316 | Encino | 23 | F | 18 violations |
| 5 | 93560 | Rosamond | 28 | F | Lead exceeds EPA limit |
| 6 | 93669 | Wishon | 35 | F | 6 violations |
| 7 | 91385 | Valencia | 35 | F | 21 violations |
| 8 | 93586 | Lancaster | 36 | F | 24 violations |
| 9 | 93584 | Lancaster | 36 | F | 24 violations |
| 10 | 93539 | Lancaster | 36 | F | 24 violations |
If you are considering a home in these ZIP codes, we recommend requesting a water quality test, checking for lead service lines, and reviewing the full ZIP report before making an offer.
Most Common Contaminant Violations
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 427 | 112 |
| Stage 2 DBP Rule | Treatment Technique | 407 | 186 |
| Barium | Inorganic | 282 | 47 |
| Lead | Inorganic | 94 | 62 |
| Combined Radium | Radionuclides | 84 | 6 |
| Surface Water Treatment Rule | Treatment Technique | 62 | 57 |
| Stage 1 DBP Rule | Treatment Technique | 57 | 57 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 45 | 36 |
| Total Coliform | Microbiological | 35 | 35 |
| Contaminant 1032 | Other | 30 | 29 |
3 of the top contaminants are health-based violations, meaning measured levels exceeded EPA Maximum Contaminant Levels (MCLs).
Lead Risk Overview
- Average lead level (90th percentile): 0.0034 mg/L (below EPA action level of 0.015 mg/L)
- 1 ZIP codes exceed the EPA lead action level
- 21% of housing built before 1950 (highest lead paint risk)
- 39% of housing built before 1970 (lead solder in plumbing)
- 76% of housing built before 1986 (potential lead pipes)
With over half of homes built before 1986, lead plumbing components are common. Running cold water for 30 seconds before drinking can reduce lead exposure from older pipes.
Flood Risk
- 10,032 FEMA flood insurance claims filed
- 343 ZIP codes with flood claims (52% of metro)
- $7,923 average payout per claim
- $79,483,019 total payouts
Water System Comparison
The Los Angeles metro is served by 325 community water systems, drawing from: Groundwater, Surface water.
Major water systems include:
- 60th Street Assoc. Water System
- Antelope Valley Mobile Estates
- Averydale Mwc
- Azusa Light and Water
- Bakman Water Company
- Bass Lake Annex 3
- Bass Lake Heights Mutual Water
- Bear Valley Csd
- Bellflower - Somerset Mwc
- Bellflower Home Garden Water Company
- ...and 315 more systems
Water quality can vary significantly between systems. Always check the ZIP-level report for your specific address.
Radon Risk
| Zone | Risk Level | ZIP Codes | Percentage |
|---|---|---|---|
| Zone 1 | High | 7 | 1% |
| Zone 2 | Moderate | 631 | 95% |
| Zone 3 | Low | 23 | 3% |
Is Los Angeles Safe for Homebuyers?
Positive indicators: above-average metro safety score (B); majority of ZIP codes rated A or B.
Areas of concern: 645 health-based EPA violations on record; 1 ZIP codes exceed EPA lead limits.
Safety conditions vary widely within the metro. A ZIP code with an A grade may be just a few miles from one rated F. Always check your specific ZIP code before making a purchase decision.
Frequently Asked Questions
What is the water quality safety grade for the Los Angeles metro area?
The Los Angeles metro area has an average Home Safety Score of 70/100 (grade B). This score is based on EPA violation records, lead testing data, radon risk, and flood exposure across 666 ZIP codes.
How many EPA water violations are in the Los Angeles area?
There are 1,688 total EPA violations across the Los Angeles metro, with 645 being health-based violations. 318 out of 666 ZIP codes (48%) have at least one recorded violation.
Is the tap water safe to drink in Los Angeles?
Water safety varies by ZIP code and water system. 1 ZIP codes in the metro exceed EPA lead action levels. The average lead level is 0.0034 mg/L (EPA action level is 0.015 mg/L). Check your specific ZIP code for a detailed report.
What percentage of homes in Los Angeles have lead risk?
Approximately 76% of housing in the Los Angeles metro was built before 1986, when lead pipes were still legal. 21% was built before 1950, the highest-risk category for lead paint. Homes in older neighborhoods should be tested for lead in both water and paint.
What is the flood risk in the Los Angeles metro?
The Los Angeles metro has recorded 10,032 FEMA flood insurance claims across 343 ZIP codes, with an average payout of $7,923 per claim. Check the FEMA flood map for your specific property.
Cities in the Los Angeles Metro
- Los Angeles, CA — 95 ZIP codes
- Long Beach, CA — 27 ZIP codes
- Pasadena, CA — 26 ZIP codes
- Inglewood, CA — 14 ZIP codes
- Glendale, CA — 14 ZIP codes
- Van Nuys, CA — 13 ZIP codes
- Burbank, CA — 13 ZIP codes
- Santa Monica, CA — 11 ZIP codes
- Whittier, CA — 11 ZIP codes
- North Hollywood, CA — 11 ZIP codes
- Torrance, CA — 10 ZIP codes
- Alhambra, CA — 7 ZIP codes
- Northridge, CA — 6 ZIP codes
- Lancaster, CA — 6 ZIP codes
- Palmdale, CA — 6 ZIP codes
- Beverly Hills, CA — 5 ZIP codes
- Compton, CA — 5 ZIP codes
- Lakewood, CA — 5 ZIP codes
- Carson, CA — 5 ZIP codes
- Santa Clarita, CA — 5 ZIP codes
- Rancho Cucamonga, CA — 5 ZIP codes
- Ontario, CA — 5 ZIP codes
- Pomona, CA — 5 ZIP codes
- Culver City, CA — 4 ZIP codes
- Downey, CA — 4 ZIP codes
- Buena Park, CA — 4 ZIP codes
- Norwalk, CA — 4 ZIP codes
- San Pedro, CA — 4 ZIP codes
- Arcadia, CA — 4 ZIP codes
- Canoga Park, CA — 4 ZIP codes
- Encino, CA — 4 ZIP codes
- Thousand Oaks, CA — 4 ZIP codes
- Woodland Hills, CA — 4 ZIP codes
- Sherman Oaks, CA — 4 ZIP codes
- El Monte, CA — 4 ZIP codes
- La Puente, CA — 4 ZIP codes
- West Covina, CA — 4 ZIP codes
- Clovis, CA — 4 ZIP codes
- Madera, CA — 4 ZIP codes
- Gardena, CA — 3 ZIP codes
- Malibu, CA — 3 ZIP codes
- La Habra, CA — 3 ZIP codes
- La Mirada, CA — 3 ZIP codes
- Pico Rivera, CA — 3 ZIP codes
- Duarte, CA — 3 ZIP codes
- Pacoima, CA — 3 ZIP codes
- Mission Hills, CA — 3 ZIP codes
- Canyon Country, CA — 3 ZIP codes
- Valencia, CA — 3 ZIP codes
- City Of Industry, CA — 3 ZIP codes
...and 191 more cities. Browse all via city directory.
All 666 ZIP Codes
View all ZIP codes in the LA metro
- 90001 Los Angeles [B] — 2 violations
- 90002 Los Angeles [B] — 2 violations
- 90003 Los Angeles [B] — 2 violations
- 90004 Los Angeles [B] — 2 violations
- 90005 Los Angeles [B] — 2 violations
- 90006 Los Angeles [B] — 2 violations
- 90007 Los Angeles [B] — 2 violations
- 90008 Los Angeles [B] — 2 violations
- 90009 Los Angeles [B] — 2 violations
- 90010 Los Angeles [B] — 2 violations
- 90011 Los Angeles [B] — 2 violations
- 90012 Los Angeles [B] — 2 violations
- 90013 Los Angeles [B] — 2 violations
- 90014 Los Angeles [B] — 2 violations
- 90015 Los Angeles [B] — 2 violations
- 90016 Los Angeles [C] — 2 violations
- 90017 Los Angeles [B] — 2 violations
- 90018 Los Angeles [B] — 2 violations
- 90019 Los Angeles [C] — 2 violations
- 90020 Los Angeles [B] — 2 violations
- 90021 Los Angeles [B] — 2 violations
- 90022 Los Angeles [B] — 2 violations
- 90023 Los Angeles [B] — 2 violations
- 90024 Los Angeles [B] — 2 violations
- 90025 Los Angeles [B] — 2 violations
- 90026 Los Angeles [B] — 2 violations
- 90027 Los Angeles [B] — 2 violations
- 90028 Los Angeles [B] — 2 violations
- 90029 Los Angeles [B] — 2 violations
- 90030 Los Angeles [B] — 2 violations
- 90031 Los Angeles [B] — 2 violations
- 90032 Los Angeles [B] — 2 violations
- 90033 Los Angeles [B] — 2 violations
- 90034 Los Angeles [B] — 2 violations
- 90035 Los Angeles [C] — 2 violations
- 90036 Los Angeles [B] — 2 violations
- 90037 Los Angeles [B] — 2 violations
- 90038 Los Angeles [B] — 2 violations
- 90039 Los Angeles [B] — 2 violations
- 90040 Los Angeles [B] — 2 violations
- 90041 Los Angeles [B] — 2 violations
- 90042 Los Angeles [B] — 2 violations
- 90043 Los Angeles [B] — 2 violations
- 90044 Los Angeles [B] — 2 violations
- 90045 Los Angeles [B] — 2 violations
- 90046 Los Angeles [C] — 2 violations
- 90047 Los Angeles [C] — 2 violations
- 90048 Los Angeles [C] — 2 violations
- 90049 Los Angeles [C] — 2 violations
- 90050 Los Angeles [B] — 2 violations
- 90051 Los Angeles [B] — 2 violations
- 90052 Los Angeles [B] — 2 violations
- 90053 Los Angeles [B] — 2 violations
- 90054 Los Angeles [B] — 2 violations
- 90055 Los Angeles [B] — 2 violations
- 90056 Los Angeles [B] — 2 violations
- 90057 Los Angeles [B] — 2 violations
- 90058 Los Angeles [B] — 2 violations
- 90059 Los Angeles [B] — 2 violations
- 90060 Los Angeles [B] — 2 violations
- 90061 Los Angeles [B] — 2 violations
- 90062 Los Angeles [B] — 2 violations
- 90063 Los Angeles [B] — 2 violations
- 90064 Los Angeles [B] — 2 violations
- 90065 Los Angeles [B] — 2 violations
- 90066 Los Angeles [B] — 2 violations
- 90067 Los Angeles [B] — 2 violations
- 90068 Los Angeles [C] — 2 violations
- 90069 West Hollywood [D]
- 90070 Los Angeles [B] — 2 violations
- 90071 Los Angeles [B] — 2 violations
- 90072 Los Angeles [B] — 2 violations
- 90073 Los Angeles [B] — 2 violations
- 90074 Los Angeles [B] — 2 violations
- 90075 Los Angeles [B] — 2 violations
- 90076 Los Angeles [B] — 2 violations
- 90077 Los Angeles [C] — 2 violations
- 90078 Los Angeles [B] — 2 violations
- 90079 Los Angeles [B] — 2 violations
- 90080 Los Angeles [B] — 2 violations
- 90081 Los Angeles [B] — 2 violations
- 90082 Los Angeles [B] — 2 violations
- 90083 Los Angeles [B] — 2 violations
- 90084 Los Angeles [B] — 2 violations
- 90086 Los Angeles [B] — 2 violations
- 90087 Los Angeles [B] — 2 violations
- 90088 Los Angeles [B] — 2 violations
- 90089 Los Angeles [B] — 2 violations
- 90090 Dodgertown [D]
- 90091 Los Angeles [B] — 2 violations
- 90093 Los Angeles [B] — 2 violations
- 90094 Playa Vista [D]
- 90095 Los Angeles [B] — 2 violations
- 90096 Los Angeles [B] — 2 violations
- 90099 Los Angeles [B] — 2 violations
- 90101 Los Angeles [B] — 2 violations
- 90103 Los Angeles [B] — 2 violations
- 90189 Los Angeles [B] — 2 violations
- 90201 Bell Gardens [B]
- 90202 Bell [D]
- 90209 Beverly Hills [B] — 1 violation
- 90210 Beverly Hills [C] — 1 violation
- 90211 Beverly Hills [B] — 1 violation
- 90212 Beverly Hills [B] — 1 violation
- 90213 Beverly Hills [B] — 1 violation
- 90220 Compton [B]
- 90221 Compton [B]
- 90222 Compton [B]
- 90223 Compton [B]
- 90224 Compton [B]
- 90230 Culver City [C]
- 90231 Culver City [D]
- 90232 Culver City [C]
- 90233 Culver City [D]
- 90239 Downey [B] — 1 violation
- 90240 Downey [B] — 1 violation
- 90241 Downey [B] — 1 violation
- 90242 Downey [B] — 1 violation
- 90245 El Segundo [B]
- 90247 Gardena [C]
- 90248 Gardena [D]
- 90249 Gardena [C]
- 90250 Hawthorne [B] — 1 violation
- 90251 Hawthorne [B] — 1 violation
- 90254 Hermosa Beach [C]
- 90255 Huntington Park [B] — 1 violation
- 90260 Lawndale [C]
- 90261 Lawndale [D]
- 90262 Lynwood [B]
- 90263 Malibu [D]
- 90264 Malibu [C]
- 90265 Malibu [D]
- 90266 Manhattan Beach [B]
- 90267 Manhattan Beach [B]
- 90270 Maywood [B]
- 90272 Pacific Palisades [D]
- 90274 Palos Verdes Peninsula [C]
- 90275 Rancho Palos Verdes [C] — 5 violations
- 90277 Redondo Beach [C]
- 90278 Redondo Beach [C]
- 90280 South Gate [B]
- 90290 Topanga [D]
- 90291 Venice [C]
- 90292 Marina Del Rey [C]
- 90293 Playa Del Rey [C]
- 90294 Venice [D]
- 90295 Marina Del Rey [D]
- 90296 Playa Del Rey [D]
- 90301 Inglewood [B] — 1 violation
- 90302 Inglewood [B] — 1 violation
- 90303 Inglewood [B] — 1 violation
- 90304 Inglewood [B] — 1 violation
- 90305 Inglewood [B] — 1 violation
- 90306 Inglewood [B] — 1 violation
- 90307 Inglewood [B] — 1 violation
- 90308 Inglewood [B] — 1 violation
- 90309 Inglewood [B] — 1 violation
- 90310 Inglewood [B] — 1 violation
- 90311 Inglewood [B] — 1 violation
- 90312 Inglewood [B] — 1 violation
- 90397 Inglewood [B] — 1 violation
- 90398 Inglewood [B] — 1 violation
- 90401 Santa Monica [B]
- 90402 Santa Monica [B]
- 90403 Santa Monica [B]
- 90404 Santa Monica [B]
- 90405 Santa Monica [B]
- 90406 Santa Monica [B]
- 90407 Santa Monica [B]
- 90408 Santa Monica [B]
- 90409 Santa Monica [B]
- 90410 Santa Monica [B]
- 90411 Santa Monica [B]
- 90501 Torrance [B]
- 90502 Torrance [B]
- 90503 Torrance [B]
- 90504 Torrance [B]
- 90505 Torrance [B]
- 90506 Torrance [B]
- 90507 Torrance [B]
- 90508 Torrance [B]
- 90509 Torrance [B]
- 90510 Torrance [B]
- 90601 Whittier [B]
- 90602 Whittier [B]
- 90603 Whittier [B]
- 90604 Whittier [B]
- 90605 Whittier [B]
- 90606 Whittier [B]
- 90607 Whittier [B]
- 90608 Whittier [B]
- 90609 Whittier [B]
- 90610 Whittier [B]
- 90612 Whittier [B]
- 90620 Buena Park [A]
- 90621 Buena Park [B]
- 90622 Buena Park [A]
- 90623 La Palma [A]
- 90624 Buena Park [A]
- 90630 Cypress [B]
- 90631 La Habra [B]
- 90632 La Habra [A]
- 90633 La Habra [A]
- 90637 La Mirada [D]
- 90638 La Mirada [C]
- 90639 La Mirada [D]
- 90640 Montebello [B] — 6 violations
- 90650 Norwalk [B]
- 90651 Norwalk [B]
- 90652 Norwalk [B]
- 90659 Norwalk [B]
- 90660 Pico Rivera [B] — 5 violations
- 90661 Pico Rivera [B] — 5 violations
- 90662 Pico Rivera [B] — 5 violations
- 90670 Santa Fe Springs [B]
- 90671 Santa Fe Springs [B]
- 90680 Stanton [B]
- 90701 Artesia [C]
- 90702 Artesia [D]
- 90703 Cerritos [B]
- 90704 Avalon [B]
- 90706 Bellflower [B]
- 90707 Bellflower [B]
- 90710 Harbor City [C]
- 90711 Lakewood [B]
- 90712 Lakewood [B]
- 90713 Lakewood [B]
- 90714 Lakewood [B]
- 90715 Lakewood [B]
- 90716 Hawaiian Gardens [C]
- 90717 Lomita [B]
- 90720 Los Alamitos [C]
- 90721 Los Alamitos [C]
- 90723 Paramount [B]
- 90731 San Pedro [C]
- 90732 San Pedro [C]
- 90733 San Pedro [D]
- 90734 San Pedro [D]
- 90740 Seal Beach [A]
- 90741
- 90742 Sunset Beach [C]
- 90743 Surfside [C]
- 90744 Wilmington [C]
- 90745 Carson [C]
- 90746 Carson [C]
- 90747 Carson [D]
- 90748 Wilmington [D]
- 90749 Carson [D]
- 90755 Signal Hill [B] — 7 violations
- 90801 Long Beach [B] — 19 violations
- 90802 Long Beach [B] — 19 violations
- 90803 Long Beach [C] — 19 violations
- 90804 Long Beach [B] — 19 violations
- 90805 Long Beach [C] — 19 violations
- 90806 Long Beach [B] — 19 violations
- 90807 Long Beach [B] — 19 violations
- 90808 Long Beach [B] — 19 violations
- 90809 Long Beach [B] — 19 violations
- 90810 Long Beach [B] — 19 violations
- 90813 Long Beach [B] — 19 violations
- 90814 Long Beach [B] — 19 violations
- 90815 Long Beach [B] — 19 violations
- 90822 Long Beach [B] — 19 violations
- 90831 Long Beach [B] — 19 violations
- 90832 Long Beach [B] — 19 violations
- 90833 Long Beach [B] — 19 violations
- 90834 Long Beach [B] — 19 violations
- 90835 Long Beach [B] — 19 violations
- 90840 Long Beach [B] — 19 violations
- 90842 Long Beach [B] — 19 violations
- 90844 Long Beach [B] — 19 violations
- 90846 Long Beach [B] — 19 violations
- 90847 Long Beach [B] — 19 violations
- 90848 Long Beach [B] — 19 violations
- 90853 Long Beach [B] — 19 violations
- 90895 Carson [C]
- 90899 Long Beach [B] — 19 violations
- 91001 Altadena [B]
- 91003 Altadena [B]
- 91006 Arcadia [B] — 2 violations
- 91007 Arcadia [B] — 2 violations
- 91008 Duarte [C]
- 91009 Duarte [D]
- 91010 Duarte [C]
- 91011 La Canada Flintridge [B] — 1 violation
- 91012 La Canada Flintridge [B] — 1 violation
- 91016 Monrovia [C] — 1 violation
- 91017 Monrovia [B] — 1 violation
- 91020 Montrose [D]
- 91021 Montrose [D]
- 91023 Mount Wilson [D]
- 91024 Sierra Madre [B]
- 91025 Sierra Madre [B]
- 91030 South Pasadena [B]
- 91031 South Pasadena [B]
- 91040 Sunland [D]
- 91041 Sunland [D]
- 91042 Tujunga [B] — 3 violations
- 91043 Tujunga [B] — 3 violations
- 91046 Verdugo City [C]
- 91066 Arcadia [B] — 2 violations
- 91077 Arcadia [B] — 2 violations
- 91101 Pasadena [B] — 5 violations
- 91102 Pasadena [B] — 5 violations
- 91103 Pasadena [B] — 5 violations
- 91104 Pasadena [B] — 5 violations
- 91105 Pasadena [B] — 5 violations
- 91106 Pasadena [B] — 5 violations
- 91107 Pasadena [B] — 5 violations
- 91108 San Marino [B]
- 91109 Pasadena [A] — 5 violations
- 91110 Pasadena [B] — 5 violations
- 91114 Pasadena [B] — 5 violations
- 91115 Pasadena [B] — 5 violations
- 91116 Pasadena [B] — 5 violations
- 91117 Pasadena [B] — 5 violations
- 91118 San Marino [B]
- 91121 Pasadena [B] — 5 violations
- 91123 Pasadena [B] — 5 violations
- 91124 Pasadena [B] — 5 violations
- 91125 Pasadena [B] — 5 violations
- 91126 Pasadena [B] — 5 violations
- 91129 Pasadena [B] — 5 violations
- 91182 Pasadena [B] — 5 violations
- 91184 Pasadena [B] — 5 violations
- 91185 Pasadena [B] — 5 violations
- 91188 Pasadena [B] — 5 violations
- 91189 Pasadena [B] — 5 violations
- 91191 Pasadena [B] — 5 violations
- 91199 Pasadena [B] — 5 violations
- 91201 Glendale [B]
- 91202 Glendale [B]
- 91203 Glendale [B]
- 91204 Glendale [B]
- 91205 Glendale [B]
- 91206 Glendale [B]
- 91207 Glendale [B]
- 91208 Glendale [B]
- 91209 Glendale [B]
- 91210 Glendale [B]
- 91214 La Crescenta [B]
- 91221 Glendale [B]
- 91222 Glendale [B]
- 91224 La Crescenta [B]
- 91225 Glendale [B]
- 91226 Glendale [B]
- 91242
- 91301 Agoura Hills [C] — 2 violations
- 91302 Calabasas [B]
- 91303 Canoga Park [C]
- 91304 Canoga Park [C]
- 91305 Canoga Park [D]
- 91306 Winnetka [C]
- 91307 West Hills [C]
- 91308 West Hills [D]
- 91309 Canoga Park [D]
- 91310 Castaic [B]
- 91311 Chatsworth [C]
- 91313 Chatsworth [D]
- 91316 Encino [F] — 18 violations
- 91319 Newbury Park [D]
- 91320 Newbury Park [D]
- 91321 Newhall [B]
- 91322 Newhall [B]
- 91324 Northridge [C]
- 91325 Northridge [C]
- 91326 Porter Ranch [C]
- 91327 Northridge [D]
- 91328 Northridge [D]
- 91329 Northridge [D]
- 91330 Northridge [D]
- 91331 Pacoima [C]
- 91333 Pacoima [D]
- 91334 Pacoima [D]
- 91335 Reseda [C]
- 91337 Reseda [C]
- 91340 San Fernando [B]
- 91341 San Fernando [B]
- 91342 Sylmar [C]
- 91343 North Hills [C]
- 91344 Granada Hills [C]
- 91345 Mission Hills [C]
- 91346 Mission Hills [D]
- 91350 Santa Clarita [B] — 3 violations
- 91351 Canyon Country [C]
- 91352 Sun Valley [C]
- 91353 Sun Valley [D]
- 91354 Valencia [D] — 21 violations
- 91355 Valencia [D] — 21 violations
- 91356 Tarzana [D]
- 91357 Tarzana [D]
- 91358 Thousand Oaks [C]
- 91359 Westlake Village [B]
- 91360 Thousand Oaks [C]
- 91361 Westlake Village [C]
- 91362 Thousand Oaks [C]
- 91363 Thousand Oaks [B]
- 91364 Woodland Hills [D]
- 91365 Woodland Hills [D]
- 91367 Woodland Hills [D]
- 91371 Woodland Hills [D]
- 91372 Calabasas [B]
- 91376 Agoura Hills [B] — 2 violations
- 91377 Oak Park [D]
- 91380 Santa Clarita [B] — 3 violations
- 91381 Stevenson Ranch [C]
- 91382 Santa Clarita [B] — 3 violations
- 91383 Santa Clarita [B] — 3 violations
- 91384 Castaic [B]
- 91385 Valencia [F] — 21 violations
- 91386 Canyon Country [D]
- 91387 Canyon Country [D]
- 91390 Santa Clarita [B] — 3 violations
- 91392 Sylmar [D]
- 91393 North Hills [D]
- 91394 Granada Hills [D]
- 91395 Mission Hills [D]
- 91396 Winnetka [D]
- 91401 Van Nuys [C]
- 91402 Panorama City [C]
- 91403 Sherman Oaks [D]
- 91404 Van Nuys [D]
- 91405 Van Nuys [C]
- 91406 Van Nuys [C]
- 91407 Van Nuys [D]
- 91408 Van Nuys [D]
- 91409 Van Nuys [D]
- 91410 Van Nuys [D]
- 91411 Van Nuys [C]
- 91412 Panorama City [D]
- 91413 Sherman Oaks [D]
- 91416 Encino [F] — 18 violations
- 91423 Sherman Oaks [D]
- 91426 Encino [F] — 18 violations
- 91436 Encino [F] — 18 violations
- 91470 Van Nuys [D]
- 91482 Van Nuys [D]
- 91495 Sherman Oaks [D]
- 91496 Van Nuys [D]
- 91499 Van Nuys [D]
- 91501 Burbank [B] — 3 violations
- 91502 Burbank [B] — 3 violations
- 91503 Burbank [B] — 3 violations
- 91504 Burbank [B] — 3 violations
- 91505 Burbank [B] — 3 violations
- 91506 Burbank [B] — 3 violations
- 91507 Burbank [B] — 3 violations
- 91508 Burbank [B] — 3 violations
- 91510 Burbank [B] — 3 violations
- 91521 Burbank [B] — 3 violations
- 91522 Burbank [B] — 3 violations
- 91523 Burbank [B] — 3 violations
- 91526 Burbank [B] — 3 violations
- 91601 North Hollywood [C]
- 91602 North Hollywood [C]
- 91603 North Hollywood [C]
- 91604 Studio City [D]
- 91605 North Hollywood [C]
- 91606 North Hollywood [C]
- 91607 Valley Village [C]
- 91608 Universal City [D]
- 91609 North Hollywood [D]
- 91610 Toluca Lake [D]
- 91611 North Hollywood [D]
- 91612 North Hollywood [D]
- 91614 Studio City [D]
- 91615 North Hollywood [D]
- 91616 North Hollywood [D]
- 91617 Valley Village [D]
- 91618 North Hollywood [D]
- 91701 Rancho Cucamonga [B] — 3 violations
- 91702 Azusa [B] — 3 violations
- 91706 Baldwin Park [B] — 2 violations
- 91708 Chino [B] — 2 violations
- 91709 Chino Hills [B]
- 91710 Chino [B] — 2 violations
- 91711 Claremont [B]
- 91714 City Of Industry [D]
- 91715 City Of Industry [D]
- 91716 City Of Industry [D]
- 91719
- 91720
- 91722 Covina [B] — 1 violation
- 91723 Covina [B] — 1 violation
- 91724 Covina [B] — 1 violation
- 91729 Rancho Cucamonga [B] — 3 violations
- 91730 Rancho Cucamonga [B] — 3 violations
- 91731 El Monte [B] — 5 violations
- 91732 El Monte [B] — 5 violations
- 91733 South El Monte [C]
- 91734 El Monte [B] — 5 violations
- 91735 El Monte [B] — 5 violations
- 91737 Rancho Cucamonga [B] — 3 violations
- 91739 Rancho Cucamonga [B] — 3 violations
- 91740 Glendora [B] — 1 violation
- 91741 Glendora [B] — 1 violation
- 91743 Guasti [D]
- 91744 La Puente [B]
- 91745 Hacienda Heights [C]
- 91746 La Puente [B]
- 91747 La Puente [B]
- 91748 Rowland Heights [B]
- 91749 La Puente [B]
- 91750 La Verne [C] — 2 violations
- 91752 Mira Loma [C]
- 91754 Monterey Park [B] — 2 violations
- 91755 Monterey Park [B] — 2 violations
- 91756 Monterey Park [B] — 2 violations
- 91758 Ontario [B]
- 91759 Mt Baldy [C]
- 91760
- 91761 Ontario [B]
- 91762 Ontario [B]
- 91763 Montclair [B]
- 91764 Ontario [B]
- 91765 Diamond Bar [C]
- 91766 Pomona [B] — 4 violations
- 91767 Pomona [B] — 4 violations
- 91768 Pomona [B] — 4 violations
- 91769 Pomona [B] — 4 violations
- 91770 Rosemead [B] — 2 violations
- 91771 Rosemead [B] — 2 violations
- 91772 Rosemead [B] — 2 violations
- 91773 San Dimas [B]
- 91775 San Gabriel [B]
- 91776 San Gabriel [C]
- 91778 San Gabriel [C]
- 91780 Temple City [D]
- 91784 Upland [B]
- 91785 Upland [B]
- 91786 Upland [B]
- 91788 Walnut [B]
- 91789 Walnut [B]
- 91790 West Covina [B]
- 91791 West Covina [B]
- 91792 West Covina [B]
- 91793 West Covina [B]
- 91795 Walnut [B]
- 91797 Pomona [B] — 4 violations
- 91798 Ontario [B]
- 91801 Alhambra [B]
- 91802 Alhambra [B]
- 91803 Alhambra [B]
- 91804 Alhambra [B]
- 91841 Alhambra [B]
- 91896 Alhambra [B]
- 91899 Alhambra [B]
- 93501 Mojave [C] — 18 violations
- 93502 Mojave [D] — 18 violations
- 93504 California City [B] — 2 violations
- 93505 California City [B] — 2 violations
- 93510 Acton [C]
- 93512 Benton [D]
- 93513 Big Pine [C] — 5 violations
- 93514 Bishop [B] — 3 violations
- 93515 Bishop [C] — 3 violations
- 93516 Boron [B]
- 93517 Bridgeport [B] — 5 violations
- 93518 Caliente [C]
- 93519 Cantil [B] — 2 violations
- 93522 Darwin [B] — 3 violations
- 93523 Edwards [C]
- 93524 Edwards [D]
- 93526 Independence [B] — 13 violations
- 93527 Inyokern [B] — 6 violations
- 93528 Johannesburg [D]
- 93529 June Lake [C] — 7 violations
- 93530 Keeler [C]
- 93531 Keene [B]
- 93532 Lake Hughes [D] — 17 violations
- 93534 Lancaster [D] — 24 violations
- 93535 Lancaster [D] — 24 violations
- 93536 Lancaster [D] — 24 violations
- 93539 Lancaster [F] — 24 violations
- 93541 Lee Vining [B]
- 93542 Little Lake [D]
- 93543 Littlerock [B] — 3 violations
- 93544 Llano [C] — 8 violations
- 93545 Lone Pine [B] — 1 violation
- 93546 Mammoth Lakes [B] — 1 violation
- 93549 Olancha [D]
- 93550 Palmdale [B] — 1 violation
- 93551 Palmdale [B] — 1 violation
- 93552 Palmdale [B] — 1 violation
- 93553 Pearblossom [D]
- 93554 Randsburg [D]
- 93555 Ridgecrest [B]
- 93556 Ridgecrest [B]
- 93558 Red Mountain [D]
- 93560 Rosamond [F] — 30 violations
- 93561 Tehachapi [B] — 5 violations
- 93562 Trona [B]
- 93563 Valyermo [B] — 2 violations
- 93581 Tehachapi [B] — 5 violations
- 93584 Lancaster [F] — 24 violations
- 93586 Lancaster [F] — 24 violations
- 93590 Palmdale [B] — 1 violation
- 93591 Palmdale [B] — 1 violation
- 93592 Trona [B]
- 93596 Boron [A]
- 93599 Palmdale [B] — 1 violation
- 93601 Ahwahnee [D]
- 93602 Auberry [B] — 1 violation
- 93603 Badger [B] — 2 violations
- 93604 Bass Lake [C]
- 93605 Big Creek [C] — 3 violations
- 93606 Biola [B] — 1 violation
- 93607 Burrel [D]
- 93608 Cantua Creek [D]
- 93609 Caruthers [C] — 5 violations
- 93610 Chowchilla [C]
- 93611 Clovis [B] — 6 violations
- 93612 Clovis [B] — 6 violations
- 93613 Clovis [B] — 6 violations
- 93614 Coarsegold [C] — 15 violations
- 93615 Cutler [C] — 6 violations
- 93616 Del Rey [B]
- 93618 Dinuba [C] — 2 violations
- 93619 Clovis [B] — 6 violations
- 93620 Dos Palos [C] — 16 violations
- 93621 Dunlap [D]
- 93622 Firebaugh [B] — 6 violations
- 93623 Fish Camp [D]
- 93624 Five Points [B]
- 93625 Fowler [B] — 1 violation
- 93626 Friant [C] — 3 violations
- 93627 Helm [D] — 2 violations
- 93628 Hume [D]
- 93630 Kerman [C] — 8 violations
- 93631 Kingsburg [B] — 2 violations
- 93633 Kings Canyon National Pk [C]
- 93634 Lakeshore [D]
- 93635 Los Banos [B] — 7 violations
- 93636 Madera [B] — 2 violations
- 93637 Madera [B] — 2 violations
- 93638 Madera [B] — 2 violations
- 93639 Madera [B] — 2 violations
- 93640 Mendota [B]
- 93641 Miramonte [B]
- 93642 Mono Hot Springs [D]
- 93643 North Fork [D] — 24 violations
- 93644 Oakhurst [C] — 10 violations
- 93645 O Neals [D]
- 93646 Orange Cove [C] — 2 violations
- 93647 Orosi [B]
- 93648 Parlier [C] — 2 violations
- 93649 Piedra [B] — 1 violation
- 93650 Fresno [B] — 5 violations
- 93651 Prather [B]
- 93652 Raisin City [D]
- 93653 Raymond [D]
- 93654 Reedley [C] — 3 violations
- 93656 Riverdale [B] — 1 violation
- 93657 Sanger [C] — 9 violations
- 93660 San Joaquin [B]
- 93661 Santa Rita Park [C]
- 93662 Selma [C] — 6 violations
- 93664 Shaver Lake [B]
- 93665 South Dos Palos [C]
- 93666 Sultana [C] — 9 violations
- 93667 Tollhouse [C]
- 93668 Tranquillity [C] — 3 violations
- 93669 Wishon [F] — 6 violations
- 93670 Yettem [D]
- 93673 Traver [D]
- 93675 Squaw Valley [C]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Housing age: U.S. Census Bureau American Community Survey
- Flood risk: FEMA National Flood Insurance Program
- Radon: EPA Map of Radon Zones
Updated daily.
Frequently Asked Questions
What is the water quality safety grade for the Los Angeles metro area?
The Los Angeles metro area has an average Home Safety Score of 70/100 (grade B). This score is based on EPA violation records, lead testing data, radon risk, and flood exposure across 666 ZIP codes.
How many EPA water violations are in the Los Angeles area?
There are 1,688 total EPA violations across the Los Angeles metro, with 645 being health-based violations. 318 out of 666 ZIP codes (48%) have at least one recorded violation.
Is the tap water safe to drink in Los Angeles?
Water safety varies by ZIP code and water system. 1 ZIP codes in the metro exceed EPA lead action levels. The average lead level is 0.0034 mg/L (EPA action level is 0.015 mg/L). Check your specific ZIP code for a detailed report.
What percentage of homes in Los Angeles have lead risk?
Approximately 76% of housing in the Los Angeles metro was built before 1986, when lead pipes were still legal. 21% was built before 1950, the highest-risk category for lead paint. Homes in older neighborhoods should be tested for lead in both water and paint.
What is the flood risk in the Los Angeles metro?
The Los Angeles metro has recorded 10,032 FEMA flood insurance claims across 343 ZIP codes, with an average payout of $7,923 per claim. Check the FEMA flood map for your specific property.