Drinking water quality · 2023
· Verified
What's in City of Roseville — Roseville, Ca, CA tap water
25 contaminants were measured in the City of Roseville — Roseville, 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
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.
No federal drinking-water violations on record for this system.
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 35.3 ug/LAverageDistance | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 23.1 ug/LAverageDistance | None set | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.3 NTUAverageGroundwater | None set | Within the limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| AlkalinityA measure of the water's capacity to neutralize acids. | 55.8 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| Bicarbonate | 55.8 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| HardnessA measure of dissolved calcium and magnesium minerals. | 80.6 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| OdorA measure of detectable smell in the water. | 3AverageFolsom Lake | None set | Detected — no federal limit |
+By source (2)— Folsom Lake, Groundwater
| |||
| pHA measure of how acidic or basic the water is. | 8.41AverageFolsom Lake | None set | Detected — no federal limit |
+By source (2)— Folsom Lake, Groundwater
| |||
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 233AverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 0.86 mg/LAverageFolsom Lake | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 194.2 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.81 mg/LAverageDistance | 4 mg/LMCL | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.63 mg/LAverageDistance | 4 mg/LMCL | Within the limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.57 mg/LAverageGroundwater | 10 mg/LMCL | Within the limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| ChlorideA naturally occurring salt compound. | 40 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| SulfateA naturally occurring mineral from rock and soil. | 13AverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 64 ug/LAverageFolsom Lake | None set | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/LAverageFolsom Lake | None set | None detected |
| CalciumA naturally occurring mineral that contributes to water hardness. | 21.6 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| GermaniumA trace metalloid found in some source water. | 0.14AverageSystem-wide | None set | Detected — no federal limit |
| LithiumA naturally occurring element found in some groundwater. | 7.3AverageSystem-wide | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 6.1 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
| ManganeseA naturally occurring metal from soil and rock. | 3.9AverageSystem-wide | 300Public health goal | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 17.8 mg/LAverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 2.86AverageGroundwater | None set | Detected — no federal limit |
+By source (2)— Groundwater, Folsom Lake
| |||
Source: City of Roseville — Roseville, 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 City of Roseville — Roseville, Ca, CA's water
+Is City of Roseville — Roseville, Ca, CA tap water safe to drink in 2023?
Every one of the 25 contaminants measured in City of Roseville — Roseville, 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 City of Roseville — Roseville, Ca, CA tap water?
25 contaminants were measured in City of Roseville — Roseville, Ca, CA's 2023 Consumer Confidence Report, spanning physical & aggregate, metals, and inorganic chemicals. 4 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 City of Roseville — Roseville, 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 City of Roseville — Roseville, 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.
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