Ctwc - Cornfield Point Div., CT
Lead detected, under the action levels
Latest 90th-percentile lead: 1.4 ppb (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Ctwc - Cornfield Point Div. at a glance
Ctwc - Cornfield Point Div. serves about 57 people through 37 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Windham County, Connecticut. EPA system ID: CT1698051; phone on file: 860-944-9655. 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 2023 (1.6 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Ctwc - Cornfield Point Div. is 2.1 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.4 ppb |
| 2023 | 1.6 ppb |
| 2020 | 1 ppb |
| 2020 | 1 ppb |
| 2017 | 2.1 ppb |
| 2017 | 2.1 ppb |
How Ctwc - Cornfield Point Div. compares
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 - Cornfield Point Div.'s 1.4 ppb sits at the 64th percentile in Connecticut and the 61st nationally (higher means more lead).
Other water systems in Windham County
45 other systems share Windham County; 13 of them have a higher latest lead result than Ctwc - Cornfield Point Div.. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Windham Water Works | 21,214 | 0 (not detected) |
| Putnam Water Pollution Control Authority | 7,300 | 0 (not detected) |
| Ctwc - Crystal System | 6,378 | 2.1 ppb |
| Ctwc - Gallup System | 2,538 | 2.3 ppb |
| Ctwc - Plainfield System | 1,713 | 0 (not detected) |
| Ctwc - Thompson System | 1,070 | 1.1 ppb |
| Woodstock Academy South Campus | 620 | 7.9 ppb |
| Pomfret School | 400 | 0 (not detected) |
| Ctwc - Ashford Park Division | 334 | 0 (not detected) |
| Wyndham Park Apartments | 312 | 1.4 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Clinton, CT 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 Ctwc - Cornfield Point Div. 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. Systems that went over once often dip back under; here is what that means.