Gresham, City Of
Multnomah County, OR
OR4100357
- People Served
- 73.9K
- Water Source
- Surface Water
- Counties
- Multnomah County
- Data from
- 2023
Contaminants Exceeding Limits
The following contaminants have exceeded the guideline limits at least once in the last year.
- 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 last year.
Arsenic
| Avg: | 0.900 ppb |
|---|---|
| Limit: | 10.000 ppb |
Barium
| Avg: | 0.019 ppm |
|---|---|
| Limit: | 2.000 ppm |
Copper
| Avg: | 0.185 ppm |
|---|---|
| Limit: | 1.300 ppm |
Cryptosporidium
| Avg: | 0.200 organisms/l |
|---|---|
| Limit: | - |
Fluoride
| Avg: | 0.130 ppm |
|---|---|
| Limit: | 4.000 ppm |
Free Residual Chlorine
| Avg: | 1.670 ppm |
|---|---|
| Limit: | 4.000 ppm |
Contaminants tested
Summary
- People Served
- 73.9K
- Surface Water
- Multnomah County
- Data from 2023
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