# Golden Sands Mobile Home Park — Rosemead, Ca, CA — Drinking Water Quality (2021)

> Contaminant levels for the Golden Sands Mobile Home Park — Rosemead, Ca, CA public water system from its 2021 Consumer Confidence Report, compared to federal limits.

- Page: https://www.thewatermap.com/water/ca/golden-sands-mobile-home-park-rosemead-ca/2021
- JSON API: https://www.thewatermap.com/api/water/ca/golden-sands-mobile-home-park-rosemead-ca/2021
- Source: the utility's annual Consumer Confidence Report (CCR)
- Verification: transcribed by a model, cross-checked by a second model, approved before publishing
- Reporting year: 2021
- Contaminants measured: 11
- Contaminants with a federal limit: 7
- Contaminants at or above the federal limit: 0
- Part of The Water Map — https://www.thewatermap.com

## Contaminants measured

| Contaminant | Category | Measured level | Sampling context | Federal limit | Status |
|---|---|---|---|---|---|
| Fluoride | Inorganic chemicals | 0.1 mg/L (Average) | System-wide | 4 mg/L (MCL) | Within the limit |
| Nitrate | Inorganic chemicals | 1.4 mg/L (Average) | System-wide | 10 mg/L (MCL) | Within the limit |
| Chromium, Hexavalent | Metals | 9.2 ug/L (Average) | System-wide | 0.02 ug/L (Public health goal) | Detected — no federal limit |
| Copper | Metals | 2 (Reported level) | FGL Code | No federal limit | Detected — no federal limit |
| Sodium | Metals | 27 mg/L (Average) | System-wide | No federal limit | Detected — no federal limit |
| Vanadium | Metals | 14 ug/L (Average) | System-wide | 50 ug/L (NL) | Detected — no federal limit |
| Chromium | Other | 2 (Reported level) | Description | No federal limit | Detected — no federal limit |
| Nitrate Nitrite | Other | 1.3 mg/L (Average) | System-wide | 10 mg/L (MCL) | Within the limit |
| Hardness | Physical & aggregate | 115 mg/L (Average) | System-wide | No federal limit | Detected — no federal limit |
| Gross Alpha | Radionuclides | 2.1 pCi/L (Average) | System-wide | 15 pCi/L (MCL) | Within the limit |
| Uranium | Radionuclides | 1.26 pCi/L (Average) | System-wide | 20 pCi/L (MCL) | Detected — no federal limit |

## What these contaminants are

- **Fluoride** — A mineral often added to drinking water to help prevent tooth decay. Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.
- **Nitrate** — A compound from fertilizer runoff, septic systems, and erosion of natural deposits. Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.
- **Chromium, Hexavalent** — Hexavalent chromium ('chromium-6') — the more toxic form of chromium. A known carcinogen by inhalation; regulated nationally only within the total-chromium limit, with stricter limits in some states.
- **Copper** — A metal that enters water from corroding household plumbing. Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.
- **Sodium** — A naturally occurring salt component. Not federally regulated for health; relevant for people on sodium-restricted diets.
- **Hardness** — A measure of dissolved calcium and magnesium minerals. Not federally regulated for health; affects scaling, soap use, and taste.
- **Gross Alpha** — Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances. Long-term exposure above the federal limit increases cancer risk.
- **Uranium** — A naturally occurring radioactive metal from erosion of natural deposits. Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.

## How to read this

- A water-quality report covers an entire service area, not a single address.
- 'Federal limit' is the EPA standard (MCL, action level, treatment technique, etc.) that the measured level is compared against.
- 'At or above the federal limit' means the utility's own reported figure met or exceeded that standard.

_Figures are the utility's own published numbers. Generated 2026-06-04 from thewatermap.com._