Drinking water quality · 2020
· Verified
What's in Montebello Land & Water Co. — Montebello, Ca, CA tap water
29 contaminants were measured in the Montebello Land & Water Co. — Montebello, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2020
- Contaminants measured
- 29
- Over federal limit
- 2
- Approaching the limit
- 0
- Worst contaminant
- PFOS
- Service area
- CA
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 46 ng/LAverageGroundwater | 6.5 ng/LNL | At or above the limit |
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 12 ng/LAverageGroundwater | 5.1 ng/LNL | At or above the limit |
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | 6.2 ng/LAverageGroundwater | None set | Within the limit |
| Perfluorononanoic acidPerfluorononanoic acid, a PFAS 'forever chemical.' | Not detected ng/LAverageGroundwater | None set | Within the limit |
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | 7.9 ng/LAverageGroundwater | 500 ng/LNL | Detected — no federal limit |
| Perfluoroheptanoic acidPerfluoroheptanoic acid, a PFAS 'forever chemical.' | Not detected ng/LAverageGroundwater | None set | Detected — no federal limit |
| Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LAverageGroundwater | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.57 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected ug/LAverageGroundwater | None set | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | None set | None detected |
| CalciumA naturally occurring mineral that contributes to water hardness. | 73 mg/LAverageGroundwater | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 13 mg/LAverageGroundwater | None set | Detected — no federal limit |
| ManganeseA naturally occurring metal from soil and rock. | 19 ug/LAverageGroundwater | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 4.2 mg/LAverageGroundwater | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 55 mg/LAverageGroundwater | None set | 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. | 24 ug/LAverageDistribution System | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 3.6 ug/LAverageDistribution System | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.71 mg/LAverageDistribution System | 4 mg/LMCL | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 1.5 mg/LAverageGroundwater | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.27 mg/LAverageGroundwater | 4 mg/LMCL | Within the limit |
| BromideA naturally occurring salt found in source water. | 170 ug/LAverageGroundwater | None set | 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 sampleNumber Of Detections | 0MCLG | None detected |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detected pCi/LAverageGroundwater | 5 pCi/LMCL | None detected |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | Not detected pCi/LAverageGroundwater | 15 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1.4 pCi/LAverageGroundwater | 20 pCi/LMCL | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AlkalinityA measure of the water's capacity to neutralize acids. | 170 mg/LAverageGroundwater | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 240 mg/LAverageGroundwater | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 7.5AverageGroundwater | None set | Detected — no federal limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | Not detected mg/LAverageGroundwater | None set | Detected — no federal limit |
People also ask about Montebello Land & Water Co. — Montebello, Ca, CA's water
+Is Montebello Land & Water Co. — Montebello, Ca, CA tap water safe to drink in 2020?
The 2020 Consumer Confidence Report for the Montebello Land & Water Co. — Montebello, Ca, CA water utility lists 2 contaminants at or above the federal limit: PFOS and PFOA. 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 Montebello Land & Water Co. — Montebello, Ca, CA tap water?
29 contaminants were measured in Montebello Land & Water Co. — Montebello, Ca, CA's 2020 Consumer Confidence Report, spanning metals, pfas ("forever chemicals"), and physical & aggregate. 11 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 Montebello Land & Water Co. — Montebello, Ca, CA tap water?
2 contaminants in Montebello Land & Water Co. — Montebello, Ca, CA's 2020 report sit at or above the federal limit: PFOS (11.5× the limit); PFOA (3.0× 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 Montebello Land & Water Co. — Montebello, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2020 report is PFOS, at 11.5× 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 Montebello Land & Water Co. — Montebello, Ca, CA's 2020 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 Montebello Land & Water Co. — Montebello, 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 2020 report; a new report will replace it once the utility publishes its next annual update.