Denton Hills Water District, NY
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 11.19 ppb (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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
About Denton Hills Water District
Denton Hills Water District serves about 130 people through 49 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Orange County, New York. EPA system ID: NY3503568; phone on file: 845-355-5700. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 6.59 ppb from 4.6 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Denton Hills Water District is 15 ppb across 3 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 11.19 ppb over 10 |
| 2021 | 4.6 ppb |
| 2018 | 15 ppb over 10 |
Where this result ranks
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. Denton Hills Water District's 11.19 ppb sits at the 97th percentile in New York and the 98th nationally (higher means more lead).
Other water systems in Orange County
129 other systems share Orange County; 5 of them have a higher latest lead result than Denton Hills Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Kiryas Joel | 51,623 | 9 ppb |
| Middletown City | 30,000 | 1 ppb |
| Newburgh City | 29,000 | 1.5 ppb |
| New Windsor Consolidated Wd | 25,667 | 0 (not detected) |
| Newburgh Consolidated Wd | 22,282 | 1.5 ppb |
| Wallkill Consolidated Wd | 18,450 | 1.97 ppb |
| Monroe Village | 12,000 | 3 ppb |
| Woodbury Cons. W.D. | 10,845 | 8.5 ppb |
| Cornwall-On-Hudson | 9,700 | 1 ppb |
| Port Jervis City | 9,000 | 3.04 ppb |
Next steps for Slate Hill, NY
Test your own tap with a certified lab first-draw sample; Slate Hill, NY 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 Denton Hills Water District 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. See what changes at 10 ppb in 2027.