Los Angeles, City Of - Power Plant #1, CA
Exceeded the action level in the past
Latest 90th-percentile lead: 1.7 ppb (monitoring period 2024-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Los Angeles, City Of - Power Plant #1 at a glance
Los Angeles, City Of - Power Plant #1 serves about 10 people through 19 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Los Angeles County, California. EPA system ID: CA1900555; phone on file: 800-342-5397. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 2.3 ppb from 4 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Los Angeles, City Of - Power Plant #1 is 28.9 ppb across 11 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.7 ppb |
| 2023 | 4 ppb |
| 2022 | 3.3 ppb |
| 2021 | 2.3 ppb |
| 2021 | 7.1 ppb |
| 2020 | 11.1 ppb over 10 |
| 2019 | 28.9 ppb over 15 |
| 2018 | 5.9 ppb |
| 2018 | 8.4 ppb |
| 2017 | 10.8 ppb over 10 |
| 2016 | 8.4 ppb |
How Los Angeles, City Of - Power Plant #1 compares
Of the 2,884 California systems with a lead result, the median latest reading is 0 ppb; 30 are over 15 ppb right now and 215 have gone over at some point. Los Angeles, City Of - Power Plant #1's 1.7 ppb sits at the 76th percentile in California and the 66th nationally (higher means more lead).
Nearby utilities
197 other systems share Los Angeles County; 23 of them have a higher latest lead result than Los Angeles, City Of - Power Plant #1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Los Angeles-City, Dept. Of Water & Power | 3,875,566 | 3.9 ppb |
| Long Beach Utilities Department | 466,772 | 0.97 ppb |
| Santa Clarita Valley Water Agency | 292,014 | 0 (not detected) |
| Gswc - Southwest | 277,740 | 1.7 ppb |
| San Gabriel Valley Water Co.-El Monte | 240,000 | 0 (not detected) |
| Los Angeles Cwwd 40 Reg 4 & 34 Lancaster | 208,129 | 1.8 ppb |
| Glendale-City, Water Dept. | 192,212 | 5.3 ppb |
| Suburban Water Systems-San Jose | 170,523 | 0 (not detected) |
| Pasadena Water And Power | 165,448 | 1.9 ppb |
| Pomona - City, Water Dept. | 151,713 | 2.1 ppb |
Next steps for Los Angeles, CA
Test your own tap with a certified lab first-draw sample; Los Angeles, CA may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Los Angeles, City Of - Power Plant #1 whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. Why an old exceedance still matters: over the limit before, under it now.