Drinking water quality · 2023
· Verified
What's in Loma Linda, City of — Loma Linda, Ca, CA tap water
27 contaminants were measured in the Loma Linda, City of — Loma Linda, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 27
- Over federal limit
- 0
- Approaching the limit
- 1
- Service area
- CA
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Nitrate Nitrite | 0.47–8.2 mg/LRangeSystem-wide | 10 mg/LMCL | Approaching the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 2.4–6.5 mg/LRangeSystem-wide | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.58–1.1 mg/LRangeSystem-wide | 4 mg/LMCL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 5.2–6.4 ug/LRangeSystem-wide | None set | Within the limit |
| Thallium | 0.4–0.55 ug/LRangeSystem-wide | None set | Within the limit |
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | 0–0.26 ug/LRangeSystem-wide | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.15 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| Cadmium | 0–0.31 ug/LRangeSystem-wide | None set | Within the limit |
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 0–3.3 ug/LRangeSystem-wide | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0–0.039 mg/LRangeSystem-wide | 2 mg/LMCL | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 0–0.018 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| BoronA naturally occurring element from rock and soil. | 40–100 ug/LRangeSystem-wide | None set | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 2.7–75 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 2.2–3.1 ug/LRangeSystem-wide | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 0–9.9 ug/LRangeSystem-wide | None set | Detected — no federal limit |
| NickelA metal from natural deposits and industrial discharge. | 0–2.3 ug/LRangeSystem-wide | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 1.9–60 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 20–73 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| Vanadium | 5.4–44 ug/LRangeSystem-wide | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 0–7.6 pCi/LRangeSystem-wide | 15 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 0–10 pCi/LRangeSystem-wide | 20 pCi/LMCL | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.15–1.01 mg/LRangeSystem-wide | None set | Within 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. | 0–6.4 ug/LRangeSystem-wide | None set | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AlkalinityA measure of the water's capacity to neutralize acids. | 110–180 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| Bicarbonate | 110–220 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 6.8–230 mg/LRangeSystem-wide | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 7.6–8.8RangeSystem-wide | None set | Detected — no federal limit |
People also ask about Loma Linda, City of — Loma Linda, Ca, CA's water
+Is Loma Linda, City of — Loma Linda, Ca, CA tap water safe to drink in 2023?
Every one of the 27 contaminants measured in Loma Linda, City of — Loma Linda, 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 Loma Linda, City of — Loma Linda, Ca, CA tap water?
27 contaminants were measured in Loma Linda, City of — Loma Linda, Ca, CA's 2023 Consumer Confidence Report, spanning metals, physical & aggregate, and inorganic chemicals. 7 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Are any contaminants in Loma Linda, City of — Loma Linda, Ca, CA tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Nitrate Nitrite. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Loma Linda, City of — Loma Linda, 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 Loma Linda, City of — Loma Linda, 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.