Polehn Heights Water Assn, OR
Lead detected, under the action levels
Latest 90th-percentile lead: 0.74 ppb (monitoring period 2025-2027). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Polehn Heights Water Assn at a glance
Polehn Heights Water Assn serves about 150 people through 44 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Clackamas County, Oregon. EPA system ID: OR4105086; phone on file: 503-631-3036. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2025 (0.74 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Polehn Heights Water Assn is 2.1 ppb across 10 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2027 | 0.74 ppb |
| 2025 | 0.74 ppb |
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2019 | 2.1 ppb |
| 2016 | 1.4 ppb |
| 2016 | 1.4 ppb |
Against other Oregon systems
Of the 909 Oregon systems with a lead result, the median latest reading is 1 ppb; 15 are over 15 ppb right now and 71 have gone over at some point. Polehn Heights Water Assn's 0.74 ppb sits at the 46th percentile in Oregon and the 47th nationally (higher means more lead).
Nearby utilities
85 other systems share Clackamas County; 61 of them have a higher latest lead result than Polehn Heights Water Assn. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Sunrise Water Authority | 50,003 | 3 ppb |
| Lake Oswego Municipal Water | 40,000 | 1.8 ppb |
| Oregon City | 33,940 | 1.84 ppb |
| Oak Lodge Water Services | 30,000 | 2.67 ppb |
| Clackamas River Water | 29,918 | 1.73 ppb |
| West Linn, City Of | 28,000 | 1.84 ppb |
| Wilsonville, City Of | 25,915 | 7.6 ppb |
| Milwaukie, City Of | 20,946 | 0 (not detected) |
| Clackamas River Water - Clairmont | 19,928 | 1.99 ppb |
| Canby Utility | 18,754 | 2.1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Oregon City, OR may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Polehn Heights Water Assn whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.