Ctwc - Baker Hill 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.
Ctwc - Baker Hill Division at a glance
Ctwc - Baker Hill Division serves about 203 people through 157 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Middlesex County, Connecticut. EPA system ID: CT0429011; phone on file: 860-664-6125. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Ctwc - Baker Hill Division's lead record
That is down 2 ppb from 2 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Ctwc - Baker Hill Division is 5 ppb across 15 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 2 ppb |
| 2025 | 0 (not detected) |
| 2024 | 1 ppb |
| 2024 | 0 (not detected) |
| 2023 | 0.9 ppb |
| 2023 | 0 (not detected) |
| 2022 | 2.2 ppb |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2021 | 5 ppb |
| 2020 | 3 ppb |
| 2020 | 2 ppb |
| 2019 | 1 ppb |
| 2018 | 0 (not detected) |
Against other Connecticut systems
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 - Baker Hill Division's reported as 0 (not detected) sits at the 21st percentile in Connecticut and the 15th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
45 other systems share Middlesex County; 20 of them have a higher latest lead result than Ctwc - Baker Hill Division. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Middletown Water Department | 41,019 | 0 (not detected) |
| Cromwell Fire District Water Department | 14,316 | 0 (not detected) |
| Ctwc - Shoreline Region-Chester System | 5,030 | 0 (not detected) |
| Portland Water Department | 5,010 | 0 (not detected) |
| Connecticut Valley Hospital | 2,928 | 0 (not detected) |
| Durham Center Division | 1,601 | 0 (not detected) |
| Ctwc - Jensens Beechwood System | 750 | 1.7 ppb |
| Ctwc - Spice Hill Division | 712 | 0 (not detected) |
| Edgemere Condominium Assn., Inc. | 540 | 0 (not detected) |
| Yeshiva Of Waterbury-Durham Campus | 490 | 0 (not detected) |
Your move
Look up your address in Ctwc - Baker Hill 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 - Baker Hill 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. The lead result guide covers how utilities pick the homes they sample. A zero today does not rule out a jump later - the rules are tightening in 2027.