Drinking water quality · 2023
· Verified
What's in Crestline Village Cwd - Division 10 — Crestline, Ca, CA tap water
13 contaminants were measured in the Crestline Village Cwd - Division 10 — Crestline, 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
- 13
- Over federal limit
- 2
- Approaching the limit
- 0
- Worst contaminant
- Gross Alpha
- Service area
- CA
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 37–93 pCi/LRangeSystem-wide | 15 pCi/LMCL | At or above the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 12–17 pCi/LRangeSystem-wide | 20 pCi/LMCL | Detected — no federal 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. | 18.5–84.3 ug/LRangeCrestline-Lake Arrowhead Water Agency Purchased Surface Water | None set | At or above the limit |
+By source (2)— Crestline-Lake Arrowhead Water Agency Purchased Surface Water, Crestline Village Water District Ground Water
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 2–7.4 ug/LRangeCrestline-Lake Arrowhead Water Agency Purchased Surface Water | None set | Within the limit |
+By source (2)— Crestline-Lake Arrowhead Water Agency Purchased Surface Water, Crestline Village Water District Ground Water
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0–0.79 NTURangeCrestline Village Water District Ground Water | 1 NTUMCL | Within the limit |
+By source (2)— Crestline Village Water District Ground Water, Crestline-Lake Arrowhead Water Agency Purchased Surface Water
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.56–4.5 mg/LRangeSystem-wide | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0–0.2 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.47 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. | 0.0039 ug/L90th percentileAt the tap | None set | Within the limit |
+By source (2)— No. of Samples Collected, No. of Schools Requesting Lead Sampling
| |||
| BoronA naturally occurring element from rock and soil. | Not detected ug/LReported levelSystem-wide | 1000 ug/LNL | None detected |
| Vanadium | 6.3RangeSystem-wide | 15NL | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Highest single sampleNo. of Detections | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0Highest single sampleNo. of Detections | 0MCLG | None detected |
People also ask about Crestline Village Cwd - Division 10 — Crestline, Ca, CA's water
+Is Crestline Village Cwd - Division 10 — Crestline, Ca, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the Crestline Village Cwd - Division 10 — Crestline, Ca, CA water utility lists 2 contaminants at or above the federal limit: Gross Alpha and TTHM. 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 Crestline Village Cwd - Division 10 — Crestline, Ca, CA tap water?
13 contaminants were measured in Crestline Village Cwd - Division 10 — Crestline, Ca, CA's 2023 Consumer Confidence Report, spanning metals, disinfection byproducts, 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 Crestline Village Cwd - Division 10 — Crestline, Ca, CA tap water?
2 contaminants in Crestline Village Cwd - Division 10 — Crestline, Ca, CA's 2023 report sit at or above the federal limit: Gross Alpha (6.2× the limit); TTHM (1.1× 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 Crestline Village Cwd - Division 10 — Crestline, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Gross Alpha, at 6.2× 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 Crestline Village Cwd - Division 10 — Crestline, 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 Crestline Village Cwd - Division 10 — Crestline, 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.