North Hill Water Corporation, OR
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About North Hill Water Corporation
North Hill Water Corporation serves about 100 people through 29 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Umatilla County, Oregon. EPA system ID: OR4100374; phone on file: 541-371-8030. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2020 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for North Hill Water Corporation is 0 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
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. North Hill Water Corporation's reported as 0 (not detected) sits at the 15th percentile in Oregon and the 10th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
30 other systems share Umatilla County; 17 of them have a higher latest lead result than North Hill Water Corporation. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hermiston, City Of | 20,000 | 2 ppb |
| Pendleton, City Of | 16,996 | 3 ppb |
| Umatilla, City Of | 8,256 | 0 (not detected) |
| Milton-Freewater, City Of | 7,145 | 2 ppb |
| Stanfield, City Of | 2,115 | 2 ppb |
| Pilot Rock, City Of | 1,326 | 0 (not detected) |
| Athena, City Of | 1,238 | 1.76 ppb |
| Weston, City Of | 714 | 0 (not detected) |
| Echo, City Of | 632 | 0 (not detected) |
| Adams Water Dept, City Of | 400 | 2 ppb |
Next steps for Hermiston, OR
Look up your address in North Hill Water Corporation's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask North Hill Water Corporation 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. The lead result guide covers how utilities pick the homes they sample. Small systems behave differently: why small systems go over more often.