Drinking water quality · 2023
· Verified
What's in City of Lincoln — Lincoln, Ca, CA tap water
30 contaminants were measured in the City of Lincoln — Lincoln, 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
- 30
- Over federal limit
- 2
- Approaching the limit
- 0
- Worst contaminant
- Perfluorohexanesulfonic acid
- Service area
- CA
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | 10 ng/LRangeSystem-wide | 3 ng/LNL | At or above the limit |
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 4 ng/LRangeSystem-wide | 6.5 ng/LNL | At or above the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 38.69 ug/LRunning annual avgRunning | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 20.75 ug/LRunning annual avgRunning | None set | Within the limit |
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 0 ug/LAverageSystem-wide | None set | None detected |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 2.56 mg/LAverageSystem-wide | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.2875 mg/LAverageSystem-wide | 4 mg/LMCL | Within the limit |
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | 0Reported levelSurface Water | 1MCL | None detected |
| ChlorideA naturally occurring salt compound. | 25.75 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 10.2 mg/LAverageSystem-wide | None set | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.78 mg/LRunning annual avgRunning | 4 mg/LMCL | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.165 NTUAverageSystem-wide | 1 NTUMCL | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 110 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| Bicarbonate | 110 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| ColorA measure of visible tint in the water. | 7.425AverageSystem-wide | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 85 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| OdorA measure of detectable smell in the water. | 1Reported levelSurface Water | None set | Detected — no federal limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 332.5AverageSystem-wide | None set | Detected — no federal limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 0–0.6 mg/LReported levelSurface Water | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 252.5 mg/LAverageSystem-wide | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 1.2 ug/LAverageSystem-wide | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.0425 mg/LAverageSystem-wide | 2 mg/LMCL | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0 ug/L90th percentileAt the tap | 1300 ug/LAction level | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0 ug/L90th percentileAt the tap | None set | Within the limit |
| ManganeseA naturally occurring metal from soil and rock. | 0 mg/LReported levelSurface Water | None set | None detected |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | 0 mg/LReported levelSurface Water | None set | None detected |
| CalciumA naturally occurring mineral that contributes to water hardness. | 15.75 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| IronA naturally occurring metal common in groundwater. | 10.5 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 11.225 mg/LAverageSystem-wide | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 33.75 mg/LAverageSystem-wide | None set | Detected — no federal limit |
People also ask about City of Lincoln — Lincoln, Ca, CA's water
+Is City of Lincoln — Lincoln, Ca, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the City of Lincoln — Lincoln, Ca, CA water utility lists 2 contaminants at or above the federal limit: Perfluorohexanesulfonic acid and PFOS. 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 City of Lincoln — Lincoln, Ca, CA tap water?
30 contaminants were measured in City of Lincoln — Lincoln, Ca, CA's 2023 Consumer Confidence Report, spanning metals, physical & aggregate, and inorganic chemicals. 9 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 City of Lincoln — Lincoln, Ca, CA tap water?
2 contaminants in City of Lincoln — Lincoln, Ca, CA's 2023 report sit at or above the federal limit: Perfluorohexanesulfonic acid (1.0× the limit); PFOS (1.0× 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 City of Lincoln — Lincoln, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Perfluorohexanesulfonic acid, at 1.0× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from City of Lincoln — Lincoln, 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 Lincoln — Lincoln, 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.