Sweetwater Authority
San Diego County, CA
CA3710025
Contaminants Exceeding Limits
The following contaminants have exceeded the guideline limits at least once in the past ten years.
- CH
Chlorate
Chlorate forms when chlorine-based disinfectants react with water. It's a byproduct of water treatment that can interfere with thyroid function, especially in infants and pregnant women.
- MA
Manganese
Manganese is a metal found in rocks and soil. It enters water through erosion and industrial processes. While essential in small amounts, excess can harm the nervous system.
Other Contaminants Detected
The following contaminants have been detected, but not exceeded the guideline limits in the past ten years.
Aluminum
| Avg: | 9.714 ppb |
|---|---|
| Limit: | - |
Arsenic
| Avg: | 0.300 ppb |
|---|---|
| Limit: | 10.000 ppb |
Barium
| Avg: | 0.057 ppm |
|---|---|
| Limit: | 2.000 ppm |
Boron
| Avg: | 0.176 ppm |
|---|---|
| Limit: | - |
Bromide
| Avg: | 315.000 ppb |
|---|---|
| Limit: | - |
Chloramine
| Avg: | 3.100 ppm |
|---|---|
| Limit: | - |
Contaminants tested
Summary
- People Served
- 189.4K
- Surface Water
- San Diego County
- Data from 2023
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