Drinking water quality · 2020
· Verified
What's in Lomita-city, Water Dept. — Lomita, Ca, CA tap water
28 contaminants were measured in the Lomita-city, Water Dept. — Lomita, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit.
- Reporting year
- 2020
- Contaminants measured
- 28
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 2.4 mg/LAverageMWD Surface Water | 4 mg/LMCL | Within the limit |
+By source (2)— MWD Surface Water, City Of Lomita Groundwater & Distribution System
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | 4.5 ug/LAverageMWD Surface Water | None set | Within the limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 33 ug/LAverageMWD Surface Water | None set | Within the limit |
+By source (2)— MWD Surface Water, City Of Lomita Groundwater & Distribution System
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 9.8 ug/LAverageMWD Surface Water | None set | Within the limit |
+By source (2)— City Of Lomita Groundwater & Distribution System, MWD Surface Water
| |||
| Bromodichloroacetic acidA brominated haloacetic acid disinfection byproduct. | 0.6 ug/LAverageCity of Lomita Groundwater & Distribution | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 3.044 ug/L90th percentileAt the tap | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.12 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 111 ug/LAverageMWD Surface Water | None set | 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 |
| 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. | 0–240 ug/LRangeMWD Surface Water | None set | Detected — no federal limit |
| ManganeseA naturally occurring metal from soil and rock. | 1.5 ug/LAverageCity of Lomita Groundwater & Distribution | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, City of Lomita Groundwater & Distribution
| |||
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 |
| Dichloroacetic acidA haloacetic acid disinfection byproduct. | 2.9 ug/LAverageCity of Lomita Groundwater & Distribution | 60 ug/LMCL | Within the limit |
| Dibromoacetic acidA brominated haloacetic acid disinfection byproduct. | 2.7 ug/LAverageCity of Lomita Groundwater & Distribution | 60 ug/LMCL | Within the limit |
| Bromochloroacetic acidA mixed-halogen haloacetic acid disinfection byproduct. | 2.57 ug/LAverageCity of Lomita Groundwater & Distribution | 60 ug/LMCL | Within the limit |
| Trichloroacetic acidA haloacetic acid disinfection byproduct. | 0.73 ug/LAverageCity of Lomita Groundwater & Distribution | 60 ug/LMCL | Within the limit |
| Chlorodibromoacetic acidA brominated haloacetic acid disinfection byproduct. | 0.6 ug/LAverageCity of Lomita Groundwater & Distribution | 60 ug/LMCL | Within the limit |
| Monobromoacetic acidA brominated haloacetic acid disinfection byproduct. | 0.37 ug/LAverageCity of Lomita Groundwater & Distribution | 60 ug/LMCL | Within the limit |
| Asbestos | Not detected MFLRangeMWD Surface Water | 7 MFLMCL | None detected |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | Not detected mg/LAverageMWD Surface Water | 10 mg/LMCL | None detected |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0AverageMWD Surface Water | 0Public health goal | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0AverageCity Of Lomita Groundwater & Distribution System | 0Public health goal | Detected — no federal limit |
+By source (2)— MWD Surface Water, City Of Lomita Groundwater & Distribution System
| |||
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 |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2 pCi/LAverageMWD Surface Water | 20 pCi/LMCL | Detected — no federal limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Benzene | Not detected ug/LAverageMWD 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. | 2.27 mg/LAverageMWD Surface Water | None set | Detected — no federal limit |
Source: Lomita-city, Water Dept. — Lomita, Ca, CA's 2020 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 2020?
Every one of the 28 contaminants measured in Lomita-city, Water Dept. — Lomita, Ca, CA's 2020 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?
28 contaminants were measured in Lomita-city, Water Dept. — Lomita, Ca, CA's 2020 Consumer Confidence Report, spanning inorganic chemicals, metals, and disinfection byproducts. 17 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 2020 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 2020 report; a new report will replace it once the utility publishes its next annual update.
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