Green Chimneys: Main Well, NY
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2024). 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
Green Chimneys: Main Well serves about 500 people through 27 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Putnam County, New York. EPA system ID: NY3921720; phone on file: 845-279-2995. They can tell you what your service line is made of and whether they pay to replace it.
Green Chimneys: Main Well's lead record
Against the period ending 2021 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Green Chimneys: Main Well is 1 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 1 ppb |
How Green Chimneys: Main Well compares
Of the 2,077 New York systems with a lead result, the median latest reading is 1.5 ppb; 17 are over 15 ppb right now and 165 have gone over at some point. Green Chimneys: Main Well's reported as 0 (not detected) sits at the 14th percentile in New York and the 22nd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Putnam County
97 other systems share Putnam County; 81 of them have a higher latest lead result than Green Chimneys: Main Well. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Carmel Wd 2 | 5,000 | 6.9 ppb |
| Cold Spring Village | 2,666 | 1.7 ppb |
| Brewster Village | 2,162 | 7.9 ppb |
| Continental Village Wd | 1,509 | 4 ppb |
| Mount Ebo Ws | 1,500 | 2.1 ppb |
| Carmel Wd 3 | 1,350 | 0 (not detected) |
| Brewster Heights | 1,350 | 1.5 ppb |
| Watchtower Bible Tract Society | 1,251 | 0.4 ppb |
| Carmel Wd 8 | 1,000 | 1 ppb |
| Hunters Glen Condominium Ws | 875 | 1.5 ppb |
Your move
Look up your address in Green Chimneys: Main Well'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 Green Chimneys: Main Well 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.