55 Sugar Street, CT
Lead detected, under the action levels
Latest 90th-percentile lead: 0.6 ppb (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. 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.
About 55 Sugar Street
55 Sugar Street serves about 158 people through 62 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Fairfield County, Connecticut. EPA system ID: CT0970071; phone on file: 203-572-6849. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2025 (0.91 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for 55 Sugar Street is 3.4 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0.6 ppb |
| 2025 | 0.91 ppb |
| 2024 | 3.4 ppb |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 1.4 ppb |
| 2018 | 1 ppb |
How 55 Sugar Street 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. 55 Sugar Street's 0.6 ppb sits at the 46th percentile in Connecticut and the 45th nationally (higher means more lead).
Nearby utilities
58 other systems share Fairfield County; 35 of them have a higher latest lead result than 55 Sugar Street. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Aquarion-Eastern Fairfield County | 351,756 | 0 (not detected) |
| Aquarion-Stamford | 119,214 | 0 (not detected) |
| Danbury Water Department | 62,055 | 0 (not detected) |
| Aquarion-Greenwich | 53,297 | 0 (not detected) |
| South Norwalk Electric & Water | 42,000 | 0 (not detected) |
| Norwalk First Taxing District | 40,256 | 0 (not detected) |
| Aquarion-Darien | 18,737 | 2 ppb |
| Aquarion-New Canaan | 10,097 | 0 (not detected) |
| Bethel Water Dept | 9,507 | 0 (not detected) |
| Aquarion-Ridgefield | 7,476 | 3.1 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Sandy Hook, 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 55 Sugar Street 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Size matters more than most people expect: small vs large water systems.