What was found in ZIP 90266
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Fluoride | 885.5 µg/L 22% of the EPA limit 4000 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019 | 3/4 | SYR4 |
| Nitrate | 730 µg/L 7.3% of the EPA limit 10000 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019 | 1/4 | SYR4 |
| Nitrate-Nitrite | 730 µg/L 7.3% of the EPA limit 10000 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 2/4 | SYR4 |
| Copper | 42.6548 µg/L 3.3% of the EPA limit 1300 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018
Highest in the ZIP: 288.5 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2018 | 3/4 | SYR4 |
| Barium | 247.5 µg/L 12% of the EPA limit 2000 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 3/4 | SYR4 |
| TTHM | 47.315 µg/L 59% of the EPA limit 80 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 122.275 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 4/4 | SYR4 |
| Chloroform | 18.066 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 94.645 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 4/4 | SYR4 |
| Total Haloacetic Acids (HAA5) | 23.6 µg/L 39% of the EPA limit 60 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 62.71 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 4/4 | SYR4 |
| Lithium | 62.5 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2025 | 3/4 | UCMR-5 |
| Bromate | 38.1 µg/L 381% of the EPA limit, at the 95th percentile of samples — 10 µg/L Highest in the ZIP: MANHATTAN BEACH-CITY, WATER DEPT. · 32,697 people · 2019 | 1/4 | SYR4 |
| Dibromochloromethane | 14.452 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 36.2905 µg/L — HAWTHORNE-CITY WATER DEPT. · 44,718 people · 2019 | 4/4 | SYR4 |
| Trichloroacetic Acid | 6.035 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 36.03 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 4/4 | SYR4 |
| Dichloroacetic Acid | 14 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 30.355 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 4/4 | SYR4 |
| Bromoform | 9.6205 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 26.0195 µg/L — HAWTHORNE-CITY WATER DEPT. · 44,718 people · 2019 | 4/4 | SYR4 |
| Bromodichloromethane | 13.44 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 24.055 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 4/4 | SYR4 |
| Lead | 0.7370 µg/L 4.9% of the EPA limit 15 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018
Highest in the ZIP: 18.392 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2018 | 2/4 | SYR4 |
| Combined Uranium | 17.135 µg/L 57% of the EPA limit 30 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 1/4 | SYR4 |
| Dibromoacetic Acid | 6.96 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 10 µg/L — HAWTHORNE-CITY WATER DEPT. · 44,718 people · 2019 | 4/4 | SYR4 |
| Gross Beta Particle Activity | 10 pCi/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 2/4 | SYR4 |
| Selenium | 9.125 µg/L 18% of the EPA limit 50 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 2/4 | SYR4 |
| Monochloroacetic Acid | 2.95 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 8.368 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 4/4 | SYR4 |
| Monobromoacetic Acid | 1.84 µg/L No EPA limit set Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2019
Highest in the ZIP: 3.6495 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 4/4 | SYR4 |
| Arsenic | 3.09045 µg/L 31% of the EPA limit 10 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 1/4 | SYR4 |
| Chromium | 1.14 µg/L 1.1% of the EPA limit 100 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 1/4 | SYR4 |
| Combined Radium (-226 And -228) | 1.095 pCi/L 22% of the EPA limit 5 pCi/L Highest in the ZIP: BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 1/4 | SYR4 |
| 2,4-D | 0.9000 µg/L 1.3% of the EPA limit 70 µg/L Highest in the ZIP: BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 1/4 | SYR4 |
| Antimony, Total | 0.0360 µg/L 0.6% of the EPA limit 6 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 1/4 | SYR4 |
| Cadmium | 0.0070 µg/L 0.1% of the EPA limit 5 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 1/4 | SYR4 |
| Lead | 0.0014 mg/L 9.3% of the EPA limit 0.0150 mg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2023
Highest in the ZIP: 0.0054 mg/L — MANHATTAN BEACH-CITY, WATER DEPT. · 32,697 people · 2025 | 4/4 | LCR |
| Beryllium, Total | 0.0020 µg/L 0.1% of the EPA limit 4 µg/L Main supplier: CALIFORNIA WATER SERVICE CO. - HERM/REDO · 96,853 people · 2018 | 1/4 | SYR4 |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 90266
| Supplier | State | Population served |
|---|---|---|
| CALIFORNIA WATER SERVICE CO. - HERM/REDO | CA | 96,853 |
| HAWTHORNE-CITY WATER DEPT. | CA | 44,718 |
| MANHATTAN BEACH-CITY, WATER DEPT. | CA | 32,697 |
| BRYAN CO. RWS & SWMD #2 | OK | 6,270 |
Frequently asked questions about ZIP 90266 tap water
Is the tap water in ZIP 90266 safe to drink?
EPA testing detected 30 contaminants across the water suppliers serving ZIP 90266. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 90266?
4 public water suppliers report EPA drinking-water monitoring for ZIP 90266. Each is listed above with its population served.
What contaminants are in ZIP 90266's water?
EPA monitoring detected Fluoride, Nitrate, Nitrate-Nitrite, Copper, Barium, and others across this ZIP's suppliers. The full list with levels and sources is above.