North Carter Lake Wd, CO
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
North Carter Lake Wd serves about 328 people through 166 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Larimer County, Colorado. EPA system ID: CO0135553; phone on file: 970-776-8218. They can tell you what your service line is made of and whether they pay to replace it.
North Carter Lake Wd's lead record
Against the period ending 2024 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for North Carter Lake Wd is 240.5 ppb across 18 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0.4 ppb |
| 2022 | 1 ppb |
| 2022 | 1 ppb |
| 2021 | 1 ppb |
| 2021 | 1 ppb |
| 2020 | 0 (not detected) |
| 2020 | 2 ppb |
| 2019 | 0 (not detected) |
| 2019 | 1 ppb |
| 2018 | 2 ppb |
| 2018 | 4 ppb |
| 2017 | 3 ppb |
| 2017 | 0 (not detected) |
| 2016 | 6 ppb |
| 2016 | 240.5 ppb over 15 |
| 2016 | 27 ppb over 15 |
Against other Colorado systems
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. North Carter Lake Wd's reported as 0 (not detected) sits at the 18th percentile in Colorado and the 19th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
44 other systems share Larimer County; 31 of them have a higher latest lead result than North Carter Lake Wd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ft Collins City Of | 179,901 | 2.8 ppb |
| Loveland City Of | 91,077 | 3.3 ppb |
| Ft Collins Loveland Wd | 63,532 | 2 ppb |
| East Larimer County Wd | 27,944 | 3.9 ppb |
| Csu Main And West Housing Campus | 27,375 | 8 ppb |
| Little Thompson Wd | 25,654 | - |
| Estes Park Town Of | 16,722 | 1.4 ppb |
| Berthoud Town Of | 14,211 | 10 ppb |
| Wellington Town Of | 11,720 | 3.7 ppb |
| Northern Colorado Wa | 4,675 | 1 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Berthoud, CO 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 North Carter Lake 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. The lead result guide covers how utilities pick the homes they sample. More in what a past exceedance means today.