Buffalo Ridge Estates, CO
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.
Buffalo Ridge Estates at a glance
Buffalo Ridge Estates serves about 90 people through 45 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Weld County, Colorado. EPA system ID: CO0162159; phone on file: 720-201-6420. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2021 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Buffalo Ridge Estates is 1 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 1 ppb |
| 2017 | 0.5 ppb |
| 2016 | 1 ppb |
How Buffalo Ridge Estates compares
Of the 1,025 Colorado systems with a lead result, the median latest reading is 1 ppb; 2 are over 15 ppb right now and 71 have gone over at some point. Buffalo Ridge Estates's reported as 0 (not detected) sits at the 6th percentile in Colorado and the 8th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Weld County
54 other systems share Weld County; 26 of them have a higher latest lead result than Buffalo Ridge Estates. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Greeley City Of | 132,310 | 4 ppb |
| Firestone Town Of | 27,798 | 3.6 ppb |
| Johnstown Town Of | 27,295 | 1 ppb |
| Windsor Town Of | 23,500 | 5.8 ppb |
| Evans City Of | 19,369 | 2.4 ppb |
| Frederick Town Of | 17,173 | 2.9 ppb |
| North Weld County Wd | 15,890 | 3.4 ppb |
| Ft Lupton City Of | 12,099 | 4 ppb |
| Severance Town Of | 11,733 | 2 ppb |
| Milliken Town Of | 9,200 | 0 (not detected) |
Next steps for Wheat Ridge, CO
Look up your address in Buffalo Ridge Estates'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 Buffalo Ridge Estates 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.