New Castle Town Of, 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.
New Castle Town Of at a glance
New Castle Town Of serves about 5,024 people through 1,722 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Garfield County, Colorado. EPA system ID: CO0123538; phone on file: 970-984-0669. They can tell you what your service line is made of and whether they pay to replace it.
New Castle Town Of's lead record
Against the period ending 2021 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for New Castle Town Of is 1 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2021 | 1 ppb |
| 2020 | 1 ppb |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2017 | 0.9 ppb |
| 2016 | 0 (not detected) |
Where this result ranks
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. New Castle Town Of's reported as 0 (not detected) sits at the 34th percentile in Colorado and the 35th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
52 other systems share Garfield County; 38 of them have a higher latest lead result than New Castle Town Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Rifle City Of | 9,489 | 1.4 ppb |
| Glenwood Springs City Of | 9,428 | 1 ppb |
| Carbondale Town Of | 6,700 | 1.5 ppb |
| Battlement Mesa Md | 4,100 | 2.8 ppb |
| Silt Town Of | 3,536 | 2 ppb |
| Roaring Fork Wsd | 1,912 | 0.7 ppb |
| Parachute Town Of | 1,320 | 2.4 ppb |
| Apple Tree Park | 1,160 | 2.8 ppb |
| Cottonwood Springs Mhp | 750 | 0.6 ppb |
| Colorado Mtn College Svc | 715 | 0 (not detected) |
Next steps for New Castle, CO
Look up your address in New Castle Town Of'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 New Castle Town Of 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. A zero today does not rule out a jump later - the rules are tightening in 2027.