Drinking water quality · 2023
· Verified
What's in Lomita-city, Water Dept. — Lomita, Ca, CA tap water
25 contaminants were measured in the Lomita-city, Water Dept. — Lomita, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 25
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 50 ug/LAverageMWD Surface Water | None set | Within the limit |
+By source (2)— MWD Surface Water, City Of Lomita Groundwater & Distribution System
| |||
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | 3.3 ug/LAverageMWD Surface Water | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 19 ug/LAverageMWD Surface Water | None set | Within the limit |
+By source (2)— MWD Surface Water, City Of Lomita Groundwater & Distribution System
| |||
| ChlorateA byproduct that can form during disinfection, especially when hypochlorite solutions degrade. | 12.7 ug/LAverageMWD Surface Water | 800 ug/LNL | Detected — no federal limit |
| NDMA | 2.2 ng/LAverageMWD Surface Water | 10 ng/LNL | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 2.5 mg/LAverageMWD Surface Water | 4 mg/LMCL | Within the limit |
+By source (2)— City Of Lomita Groundwater & Distribution System, MWD Surface Water
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 3.04 ug/L90th percentileAt the tap | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.092 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected ug/LAverageMWD Surface Water | None set | None detected |
| BariumA metal from erosion of natural deposits and industrial discharge. | Not detected mg/LAverageMWD Surface Water | 2 mg/LMCL | None detected |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | Not detected ug/LRangeMWD Surface Water | 0.02 ug/LPublic health goal | None detected |
| AluminumA common element sometimes used as a treatment coagulant. | 73.3 ug/LAverageMWD Surface Water | None set | Detected — no federal limit |
| Vanadium | 3.5 ug/LAverageMWD Surface Water | 50 ug/LNL | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.7 mg/LAverageMWD Surface Water | 4 mg/LMCL | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.8 mg/LAverageMWD Surface Water | 10 mg/LMCL | Within the limit |
+By source (2)— City Of Lomita Groundwater & Distribution System, MWD Surface Water
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | Not detectedAverageCity Of Lomita Groundwater & Distribution System | 0Public health goal | None detected |
+By source (2)— City Of Lomita Groundwater & Distribution System, MWD Surface Water
| |||
| Giardia lamblia | Not detectedAverageMWD Surface Water | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0.1AverageMWD Surface Water | 0Public health goal | Detected — no federal limit |
+By source (2)— MWD Surface Water, City Of Lomita Groundwater & Distribution System
| |||
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LRangeMWD Surface Water | None set | None detected |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detected pCi/LRangeMWD Surface Water | 5 pCi/LMCL | None detected |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | Not detected pCi/LAverageMWD Surface Water | 15 pCi/LMCL | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | Not detected pCi/LAverageMWD Surface Water | None set | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1 pCi/LAverageMWD Surface Water | 20 pCi/LMCL | Detected — no federal limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Benzene | Not detected ug/LRangeMWD Surface Water | None set | None detected |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.3 mg/LAverageMWD Surface Water | None set | Detected — no federal limit |
Source: Lomita-city, Water Dept. — Lomita, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.
People also ask about Lomita-city, Water Dept. — Lomita, Ca, CA's water
+Is Lomita-city, Water Dept. — Lomita, Ca, CA tap water safe to drink in 2023?
Every one of the 25 contaminants measured in Lomita-city, Water Dept. — Lomita, Ca, CA's 2023 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Lomita-city, Water Dept. — Lomita, Ca, CA tap water?
25 contaminants were measured in Lomita-city, Water Dept. — Lomita, Ca, CA's 2023 Consumer Confidence Report, spanning metals, disinfection byproducts, and radionuclides. 14 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Lomita-city, Water Dept. — Lomita, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Lomita-city, Water Dept. — Lomita, Ca, CA's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.
More water systems in CA
Lomita-city, Water Dept. — Lomita, CaLomita-city, Water Dept. — Lomita, CaLomita-city, Water Dept. — Lomita, CaValley View Mutual Water Co. — Baldwin Park, CaValley View Mutual Water Co. — Baldwin Park, CaValley View Mutual Water Co. — Baldwin Park, CaValley View Mutual Water Co. — Baldwin Park, CaTorranceTorrance-city, Water Dept.Torrance-city, Water Dept.Torrance-city, Water Dept.California Water Service Co. - Palos Ver — San Jose, CaGswc - Southwest — Hawthorne, CaHawthorne-city Water Dept. — San Jose, CaHawthorne-city Water Dept. — San Jose, CaHawthorne-city Water Dept. — San Jose, CaHawthorne-city Water Dept. — San Jose, CaCalifornia Water Service Co. - Dominguez — San Jose, CaManhattan Beach-city, Water Dept. — Manhattan Beach, CaManhattan Beach-city, Water Dept. — Manhattan Beach, CaManhattan Beach-city, Water Dept. — Manhattan Beach, CaCompton-city, Water Dept. — Compton, CaLong BeachLong Beach Utilities Department — Long Beach, CaAll water systems →