What was found in Happy Valley's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 2198.5 µg/L 22% of the EPA limit 10000 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2019 | 3/3 | SYR4 |
| Nitrate-Nitrite | 2126 µg/L 21% of the EPA limit 10000 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2014 | 3/3 | SYR4 |
| Fluoride | 1510 µg/L 38% of the EPA limit 4000 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2014 | 2/3 | SYR4 |
| Copper | 316.85 µg/L 24% of the EPA limit 1300 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2017 | 2/3 | SYR4 |
| Nitrite | 123 µg/L 12% of the EPA limit 1000 µg/L Highest in the city: SPAR TREE MHP · 26 people · 2014 | 2/3 | SYR4 |
| Lithium | 58.2 µg/L No EPA limit set Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2025 | 1/3 | UCMR-5 |
| TTHM | 49.525 µg/L 62% of the EPA limit 80 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2019 | 3/3 | SYR4 |
| Barium | 19 µg/L 1% of the EPA limit 2000 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2014
Highest in the city: 48.81 µg/L — SPAR TREE MHP · 26 people · 2014 | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 40.32 µg/L 67% of the EPA limit 60 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2019 | 3/3 | SYR4 |
| Lead | 6.9 µg/L 46% of the EPA limit 15 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2017
Highest in the city: 17.34 µg/L — SPAR TREE MHP · 26 people · 2018 | 2/3 | SYR4 |
| Gross Alpha, Excl. Radon And U | 7.57 pCi/L 50% of the EPA limit 15 pCi/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2017 | 1/3 | SYR4 |
| Gross Beta Particle Activity | 4.28155 pCi/L No EPA limit set Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2012 | 1/3 | SYR4 |
| Arsenic | 1.45 µg/L 14% of the EPA limit 10 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2014
Highest in the city: 3.54 µg/L — SPAR TREE MHP · 26 people · 2014 | 2/3 | SYR4 |
| Chromium | 2 µg/L 2% of the EPA limit 100 µg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2014 | 1/3 | SYR4 |
| Combined Radium (-226 And -228) | 1.43 pCi/L 29% of the EPA limit 5 pCi/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2017 | 2/3 | SYR4 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2023
Highest in the city: 0.0090 mg/L — NORTH CLACKAMAS COUNTY WC · 0 people · 2007 | 3/3 | LCR |
| PFOS | 0.0043 µg/L No EPA limit set Main supplier: SUNRISE WATER AUTHORITY · 50,003 people · 2025 | 1/3 | UCMR-5 |
Water suppliers serving Happy Valley
| Supplier | Population served |
|---|---|
| SUNRISE WATER AUTHORITY | 50,003 |
| SPAR TREE MHP | 26 |
| NORTH CLACKAMAS COUNTY WC | 0 |
Frequently asked questions about Happy Valley tap water
Is Happy Valley tap water safe to drink?
EPA testing detected 17 contaminants in the water serving Happy Valley. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Happy Valley?
3 public water suppliers report drinking-water monitoring for Happy Valley, Oregon to the EPA. Each is listed above with its population served.
What contaminants are in Happy Valley's water?
The contaminants EPA monitoring detected in Happy Valley include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Nitrite. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.