# Imperial, City of — Imperial, Ca, CA — Drinking Water Quality (2023)

> Contaminant levels for the Imperial, City of — Imperial, Ca, CA public water system from its 2023 Consumer Confidence Report, compared to federal limits.

- Page: https://www.thewatermap.com/water/ca/imperial-imperial-ca/2023
- JSON API: https://www.thewatermap.com/api/water/ca/imperial-imperial-ca/2023
- 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: 2023
- Contaminants measured: 14
- Contaminants with a federal limit: 4
- 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 | 0.34 mg/L (Reported level) | System-wide | 4 mg/L (MCL) | Within the limit |
| Barium | Metals | 0.14 mg/L (Reported level) | System-wide | 2 mg/L (MCL) | Within the limit |
| Boron | Metals | 180 ug/L (Reported level) | System-wide | No federal limit | Detected — no federal limit |
| Calcium | Metals | 87 mg/L (Reported level) | System-wide | No federal limit | Detected — no federal limit |
| Copper | Metals | 0.033 mg/L (90th percentile) | At the tap | 1.3 mg/L (Action level) | Within the limit |
| Lead | Metals | 0.005 mg/L (90th percentile) | At the tap | 0.015 mg/L (Action level) | Within the limit |
| Magnesium | Metals | 28 mg/L (Reported level) | System-wide | No federal limit | Detected — no federal limit |
| Potassium | Metals | 5.3 mg/L (Reported level) | System-wide | No federal limit | Detected — no federal limit |
| Sodium | Metals | 110 mg/L (Reported level) | System-wide | No federal limit | Detected — no federal limit |
| Vanadium | Metals | 3.2 ug/L (Reported level) | System-wide | No federal limit | Detected — no federal limit |
| Alkalinity | Physical & aggregate | 140 mg/L (Reported level) | System-wide | No federal limit | Detected — no federal limit |
| Bicarbonate | Physical & aggregate | 170 mg/L (Reported level) | System-wide | No federal limit | Detected — no federal limit |
| Hardness | Physical & aggregate | 330 mg/L (Reported level) | System-wide | No federal limit | Detected — no federal limit |
| pH | Physical & aggregate | 7.9 (Reported level) | System-wide | No federal limit | 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.
- **Barium** — A metal from erosion of natural deposits and industrial discharge. Long-term exposure above the federal limit can raise blood pressure.
- **Boron** — A naturally occurring element from rock and soil. No enforceable federal limit; the EPA has issued a health advisory level.
- **Calcium** — A naturally occurring mineral that contributes to water hardness. Not federally regulated for health; affects scaling and taste.
- **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.
- **Lead** — A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.
- **Magnesium** — A naturally occurring mineral that contributes to water hardness. Not federally regulated for health; affects scaling and taste.
- **Potassium** — A naturally occurring mineral from rock and soil. Not federally regulated for health.
- **Sodium** — A naturally occurring salt component. Not federally regulated for health; relevant for people on sodium-restricted diets.
- **Alkalinity** — A measure of the water's capacity to neutralize acids. Not federally regulated for health; relevant to corrosion control and treatment.
- **Hardness** — A measure of dissolved calcium and magnesium minerals. Not federally regulated for health; affects scaling, soap use, and taste.
- **pH** — A measure of how acidic or basic the water is. Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.

## 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._