Drinking water quality · 2023
What's in Ventura Water Department — Ventura, Ca, CA tap water
16 contaminants were measured in the Ventura Water Department — Ventura, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 16
- 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.
- Maximum contaminant level exceededHealth-based3 violations on record · most recent Jul 2018resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 38 ug/LAverageSystem-wide | None set | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 2.5 mg/LAverageDistribution System | 4 mg/LMCL | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 6.6 pCi/LAverageGround Water | 15 pCi/LMCL | Within the limit |
+By source (3)— Ground Water, Ventura River, Casitas MWD
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2.7 pCi/LAverageVentura River | 20 pCi/LMCL | Detected — no federal limit |
+By source (2)— Ground Water, Ventura River
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.33 mg/L90th percentileDistribution System | 1.3 mg/LAction level | Within the limit |
| SeleniumA trace element from natural deposits and industrial discharge. | 5.3 ug/LAverageVentura River | None set | Within the limit |
+By source (3)— Ventura River, Ground Water, Casitas MWD
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.13 mg/LAverageCasitas MWD | 2 mg/LMCL | Within the limit |
+By source (3)— Casitas MWD, Ventura River, Ground Water
| |||
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected ug/LAverageVentura River | None set | Within the limit |
+By source (3)— Ground Water, Ventura River, Casitas MWD
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0 mg/L90th percentileAt the tap | 0.015 mg/LAction level | None detected |
| LithiumA naturally occurring element found in some groundwater. | 74 ug/LAverageTreated Groundwater | None set | Detected — no federal limit |
+By source (3)— Treated Groundwater, Treated Ventura River, Casitas MWD
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.21 NTUReported levelCasitas Municipal Water District (CMWD) | None set | Within the limit |
+By source (2)— Casitas Municipal Water District (CMWD), Ventura River
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 1.9 mg/LAverageVentura River | 10 mg/LMCL | Within the limit |
+By source (3)— Ground Water, Ventura River, Casitas MWD
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.44 mg/LAverageGround Water | 4 mg/LMCL | Within the limit |
+By source (3)— Ground Water, Ventura River, Casitas MWD
| |||
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Hexafluoropropylene oxide dimer acidHFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound. | Not detected ng/LRangeGround Water | None set | None detected |
+By source (3)— Ground Water, Casitas MWD, Ventura River
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | Not detected ng/LAverageVentura River | 4 ng/LMCL | None detected |
+By source (3)— Ventura River, Ground Water, Casitas MWD
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 2024MaximumDistribution System Monthly | 1MCLG | Detected — no federal limit |
People also ask about Ventura Water Department — Ventura, Ca, CA's water
+Is Ventura Water Department — Ventura, Ca, CA tap water safe to drink in 2023?
Every one of the 16 contaminants measured in Ventura Water Department — Ventura, 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 Ventura Water Department — Ventura, Ca, CA tap water?
16 contaminants were measured in Ventura Water Department — Ventura, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and pfas ("forever chemicals"). 10 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 Ventura Water Department — Ventura, 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 Ventura Water Department — Ventura, 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.