Drinking water quality · 2023
· Verified
What's in Cal Am - Bass Lake — Sacramento, Ca, CA tap water
15 contaminants were measured in the Cal Am - Bass Lake — Sacramento, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 15
- Over federal limit
- 2
- Approaching the limit
- 0
- Worst contaminant
- Gross Alpha
- 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-based1 violation on record · most recent Jan 2006resolved
- Treatment technique violationHealth-based1 violation on record · most recent Jun 1993resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 23.8 pCi/LReported levelNorth Shore 4 | 15 pCi/LMCLG | At or above the limit |
+By source (4)— North Shore 4, North Shore 1, School Road Well +1 more
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 34–45 ug/LReported levelNorth Shore 4 | 30 ug/LMCLG | At or above the limit |
+By source (4)— North Shore 1, North Shore 4, School Road Well +1 more
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 6.6 ug/LReported levelSchool Road Well | None set | Within the limit |
+By source (4)— School Road Well, North Shore 1, North Shore 4 +1 more
| |||
| CopperA metal that enters water from corroding household plumbing. | 90 ug/LAverageSystem-wide | None set | Within the limit |
+By source (4)— North Shore 1, North Shore 4, School Road Well +1 more
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | 15 ug/LReported levelWillow Creek | None set | Within the limit |
+By source (4)— Willow Creek, North Shore 4, North Shore 1 +1 more
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/LReported levelPines 1 | None set | None detected |
+By source (4)— North Shore 1, North Shore 4, School Road Well +1 more
| |||
| AluminumA common element sometimes used as a treatment coagulant. | 96 ug/LReported levelNorth Shore 1 | None set | Detected — no federal limit |
+By source (4)— North Shore 1, Willow Creek, North Shore 4 +1 more
| |||
| NickelA metal from natural deposits and industrial discharge. | 2.5 ug/LReported levelGroundwater Wells North Shore 4 | None set | Detected — no federal limit |
+By source (5)— Groundwater Wells North Shore 4, Treated Sources School Road Well, Groundwater Wells North Shore 1 +2 more
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 24 ug/LAverageSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 1.8 ug/LAverageSystem-wide | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.82 mg/LAverageSystem-wide | 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. | 0.34 mg/LReported levelSchool Road Well | 4 mg/LMCL | Within the limit |
+By source (4)— School Road Well, Willow Creek, North Shore 1 +1 more
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.08 mg/LReported levelTreated Sources School Road Well | 10 mg/LMCL | Within the limit |
+By source (5)— Treated Sources School Road Well, Groundwater Wells Pines 1, Groundwater Wells North Shore 1 +2 more
| |||
| Asbestos | Not detected MFLReported levelPines 1 | 7 MFLMCL | None detected |
+By source (4)— North Shore 1, North Shore 4, School Road Well +1 more
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0AverageSystem-wide | None set | None detected |
People also ask about Cal Am - Bass Lake — Sacramento, Ca, CA's water
+Is Cal Am - Bass Lake — Sacramento, Ca, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the Cal Am - Bass Lake — Sacramento, Ca, CA water utility lists 2 contaminants at or above the federal limit: Gross Alpha and Uranium. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Cal Am - Bass Lake — Sacramento, Ca, CA tap water?
15 contaminants were measured in Cal Am - Bass Lake — Sacramento, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and disinfection byproducts. 6 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Cal Am - Bass Lake — Sacramento, Ca, CA tap water?
2 contaminants in Cal Am - Bass Lake — Sacramento, Ca, CA's 2023 report sit at or above the federal limit: Gross Alpha (1.6× the limit); Uranium (1.5× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Cal Am - Bass Lake — Sacramento, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Gross Alpha, at 1.6× the federal threshold. It belongs to the radionuclides family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Cal Am - Bass Lake — Sacramento, 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 Cal Am - Bass Lake — Sacramento, 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.