Drinking water quality · 2023
· Verified
What's in Lompoc-city Water Utility Div — Lompoc, Ca, CA tap water
20 contaminants were measured in the Lompoc-city Water Utility Div — Lompoc, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 20
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Treatment technique violationHealth-based3 violations on record · most recent Oct 2009resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 4.8 ug/LAverageCity of Lompoc | None set | Within the limit |
+By source (2)— City of Lompoc, Frick Springs
| |||
| SeleniumA trace element from natural deposits and industrial discharge. | 16 ug/LAverageFrick Springs | None set | Within the limit |
+By source (2)— Frick Springs, City of Lompoc
| |||
| Cadmium | 0.4 ug/LAverageFrick Springs | None set | Within the limit |
+By source (2)— Frick Springs, City of Lompoc
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.08 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | None set | None detected |
| LithiumA naturally occurring element found in some groundwater. | 39 ug/LReported levelCity of Lompoc | None set | Detected — no federal limit |
+By source (2)— City of Lompoc, Frick Springs
| |||
| NickelA metal from natural deposits and industrial discharge. | 4 ug/LAverageFrick Springs | None set | Detected — no federal limit |
+By source (2)— Frick Springs, City of Lompoc
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 29 ug/LReported levelFrick Springs | None set | Within the limit |
+By source (2)— Frick Springs, City of Lompoc
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 11 ug/LReported levelFrick Springs | None set | Within the limit |
+By source (2)— Frick Springs, City of Lompoc
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 1.4 mg/LAverageFrick Springs | 4 mg/LMCL | Within the limit |
+By source (2)— Frick Springs, City of Lompoc
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.96 pCi/LAverageCity of Lompoc | 15 pCi/LMCL | Within the limit |
+By source (2)— City of Lompoc, Frick Springs
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 0.57 pCi/LAverageCity of Lompoc | 20 pCi/LMCL | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 16.25 ug/LAverageCity of Lompoc | None set | Within the limit |
+By source (2)— City of Lompoc, Frick Springs
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.35 mg/LAverageCity of Lompoc | 4 mg/LMCL | Within the limit |
+By source (2)— City of Lompoc, Frick Springs
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.1 mg/LAverageFrick Springs | 10 mg/LMCL | Within the limit |
+By source (2)— Frick Springs, City of Lompoc
| |||
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LReported levelCity of Lompoc | None set | None detected |
+By source (2)— City of Lompoc, Frick Springs
| |||
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | Not detected ng/LReported levelFrick Springs | None set | None detected |
+By source (2)— Frick Springs, City of Lompoc
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | Not detected ng/LReported levelFrick Springs | None set | None detected |
+By source (2)— Frick Springs, City of Lompoc
| |||
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | Not detected ng/LReported levelFrick Springs | None set | None detected |
+By source (2)— Frick Springs, City of Lompoc
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 1 %AverageCity of Lompoc | 0 %Public health goal | Detected — no federal limit |
+By source (2)— City of Lompoc, Frick Springs
| |||
People also ask about Lompoc-city Water Utility Div — Lompoc, Ca, CA's water
+Is Lompoc-city Water Utility Div — Lompoc, Ca, CA tap water safe to drink in 2023?
Every one of the 20 contaminants measured in Lompoc-city Water Utility Div — Lompoc, 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 Lompoc-city Water Utility Div — Lompoc, Ca, CA tap water?
20 contaminants were measured in Lompoc-city Water Utility Div — Lompoc, Ca, CA's 2023 Consumer Confidence Report, spanning metals, pfas ("forever chemicals"), and disinfection byproducts. 7 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 Lompoc-city Water Utility Div — Lompoc, 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 Lompoc-city Water Utility Div — Lompoc, 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.