Highland Subdivision Wd, OR
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2025). 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.
Who runs the water here
Highland Subdivision Wd serves about 335 people through 152 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Crook County, Oregon. EPA system ID: OR4101195; phone on file: 541-362-6468. They can tell you what your service line is made of and whether they pay to replace it.
Highland Subdivision Wd's lead record
Against the period ending 2022 (0.63 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Highland Subdivision Wd is 1.15 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0.63 ppb |
| 2019 | 1.15 ppb |
| 2016 | 0.28 ppb |
Where this result ranks
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. Highland Subdivision Wd's reported as 0 (not detected) sits at the 27th percentile in Oregon and the 19th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Crook County
17 other systems share Crook County; 11 of them have a higher latest lead result than Highland Subdivision Wd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Prineville, City Of | 11,000 | 1.9 ppb |
| Avion Wc - Brasada Ranch | 1,200 | 1 ppb |
| Avion Wc - Red Cloud | 585 | 0 (not detected) |
| Ochoco West Wtr & San Authority | 400 | 3.67 ppb |
| High Desert Estates | 380 | 0 (not detected) |
| Idleway Improvement District | 183 | 0.86 ppb |
| Terrace Mobile Plaza | 152 | 0 (not detected) |
| Barnes Butte Hoa | 148 | 0 (not detected) |
| Prineville Mobile Home Park | 130 | 1 ppb |
| Quail Valley Park Improv Dist | 110 | 0.67 ppb |
Next steps for Prineville, OR
Look up your address in Highland Subdivision Wd'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 Highland Subdivision Wd 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. What a 90th-percentile result does and does not tell you: how to read a lead result. A zero today does not rule out a jump later - the rules are tightening in 2027.