Los Angeles Cwwd 40, R 24,27,33 - PearblsmWater quality report
- Serves
- 11,509
- Connections
- 3,001
- Water source
- Surface water bought from another system
- Based in
- Alhambra, CA
- County
- Los Angeles
- Owner
- Local government
PWSID CA1910203 · EPA data
Read this first
- Lithium was found in one of 1 samples, highest 16.3 ppb. Above EPA’s health reference level of 10 ppb, a screening level rather than an enforceable limit.
No health-based violations on file since 2016.
What was found, stop by stop
- Below the health goal
- Above the health goal
- Above the legal limit
- No federal data
At the source
EPA UCMR 5 sampled this utility for 29 PFAS and lithium from Sept. 4, 2024 to Sept. 4, 2024. Each tick under a result’s line is one sample where it was found, dated when you point at it.
- Health reference level 1016.3
Above EPA’s health reference level of 10 ppb, a screening level rather than an enforceable limit.
What handles it: No certification claim covers this compound yet.
In treatment
No federal results for this stop. Disinfection byproduct, chlorine and fluoride levels are in Los Angeles Cwwd 40, R 24,27,33 - Pearblsm’s own annual report, which it must send you every year.
In the pipes
No lead and copper results on file with EPA for this utility.
At your tap
The last stretch is your own plumbing. A certified lab test is the only way to know what reaches your glass. Lead in your water: what to do
Tested and not found
Below EPA’s minimum reporting level in every sample taken from Sept. 4, 2024 to Sept. 4, 2024. Not found means not measured above that level, which is not the same as zero.
All 5 compounds tested and not found
- Lead
- NEtFOSAA
- NMeFOSAA
- PFTA
- PFTrDA
Violations since 2016
No health-based violations on file with EPA since 2016.
What this report cannot tell you
- Levels of everything else. Federal bulk data carries results for PFAS, lithium, lead and copper, and violations for the rest. Nitrate, arsenic, disinfection byproducts and other levels are in Los Angeles Cwwd 40, R 24,27,33 - Pearblsm’s own annual report, which it must send you every year.
- Your own plumbing. Lead results are the 90th percentile across homes the utility samples. Your home’s service line, solder and fixtures decide yours. A certified lab test is the only way to know.
- Anything after the latest data. SDWIS data is from 2026 Q2; UCMR 5 samples are from Sept. 4, 2024 to Sept. 4, 2024.
Other California utilities
- Los Angeles - City, Dept. of Water & Power3.9 million
- East Bay MUD1.4 million
- City of San Diego1.4 million
- San Jose Water1 million
- SFPUC City Distribution Division848,019
- Eastern Municipal WD666,581
- City of Fresno545,716
- City of Sacramento Main527,979
- Long Beach Utilities Department466,772
- Irvine Ranch Water District444,800
- City of Anaheim348,593
- Alameda County Water District344,000
Sources
- EPA UCMR 5 occurrence data, file of Aug. 27, 2026
- EPA SDWA bulk download (SDWIS federal data), 2026 Q2
- Limits and goals: each contaminant’s page, with its EPA source.
- How this page is built: methodology.