Durham 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.
About Durham Center Division
Durham Center Division serves about 1,601 people through 201 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Middlesex County, Connecticut. EPA system ID: CT0380021; phone on file: 860-349-3625. They can tell you what your service line is made of and whether they pay to replace it.
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 Durham Center Division is 5.8 ppb across 10 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 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0.7 ppb |
| 2023 | 1.1 ppb |
| 2022 | 5.8 ppb |
| 2019 | 2 ppb |
| 2016 | 4 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. Durham Center Division's reported as 0 (not detected) sits at the 31st percentile in Connecticut and the 29th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Middlesex County
45 other systems share Middlesex County; 20 of them have a higher latest lead result than Durham Center 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) |
| 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) |
| East Hampton Wpca - Village Center | 366 | 0 (not detected) |
What to do in your house
Look up your address in Durham 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 Durham 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. A zero today does not rule out a jump later - the rules are tightening in 2027.