Ctwc - Hebron Center Division, CT
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2026-2026). 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
Ctwc - Hebron Center Division serves about 1,927 people through 199 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Tolland County, Connecticut. EPA system ID: CT0672031; phone on file: 860-944-9655. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Ctwc - Hebron Center Division is 1.8 ppb across 18 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2024 | 0.3 ppb |
| 2024 | 0 (not detected) |
| 2023 | 1 ppb |
| 2023 | 0 (not detected) |
| 2022 | 1.8 ppb |
| 2022 | 1.2 ppb |
| 2021 | 0 (not detected) |
| 2021 | 1 ppb |
| 2020 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2019 | 1 ppb |
| 2018 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2016 | 1 ppb |
Where this result ranks
Of the 493 Connecticut systems with a lead result, the median latest reading is 0.8 ppb; 2 are over 15 ppb right now and 49 have gone over at some point. Ctwc - Hebron Center Division's reported as 0 (not detected) sits at the 32nd percentile in Connecticut and the 30th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Tolland County
63 other systems share Tolland County; 37 of them have a higher latest lead result than Ctwc - Hebron Center Division. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| University Of Connecticut - Main Campus | 27,199 | 7.6 ppb |
| Tolland Water Department | 1,251 | 0 (not detected) |
| Ctwc - Amston Lake Division | 910 | 1.3 ppb |
| Ctwc - Uconn South Eagleville Div. | 750 | 0 (not detected) |
| Ctwc - Northern Reg - Lakewood/Lakeview | 748 | 0 (not detected) |
| Ctwc - Coventry Hills Div | 700 | 0 (not detected) |
| Ctwc - South Coventry System | 501 | 3.2 ppb |
| Woodhaven Apartments | 489 | 0.6 ppb |
| Vernon Village Inc. | 430 | 0 (not detected) |
| Stafford Hollow Water Association | 429 | 4.8 ppb |
What to do in your house
Look up your address in Ctwc - Hebron Center Division'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 Ctwc - Hebron Center Division 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. Small systems behave differently: why small systems go over more often.