Greencastle Department Of Water, IN
Lead detected, under the action levels
Latest 90th-percentile lead: 0.8 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.
Who runs the water here
Greencastle Department Of Water serves about 12,699 people through 3,933 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Putnam County, Indiana. EPA system ID: IN5267004; phone on file: 765-653-5812. 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 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Greencastle Department Of Water is 1.21 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0.8 ppb |
| 2023 | 0 (not detected) |
| 2020 | 1.21 ppb |
| 2017 | 0 (not detected) |
Where this result ranks
Of the 687 Indiana systems with a lead result, the median latest reading is 1.31 ppb; 6 are over 15 ppb right now and 36 have gone over at some point. Greencastle Department Of Water's 0.8 ppb sits at the 40th percentile in Indiana and the 48th nationally (higher means more lead).
Neighbouring systems
10 other systems share Putnam County; 5 of them have a higher latest lead result than Greencastle Department Of Water. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Reelsville Water Company | 2,800 | 0 (not detected) |
| Putnamville Correctional Facility | 2,505 | 3.33 ppb |
| Cloverdale Water Works | 2,225 | 3.46 ppb |
| South 43 Water Association, Inc. | 1,431 | 7 ppb |
| Roachdale Water Works | 980 | 0 (not detected) |
| Bainbridge Water Works | 830 | 0 (not detected) |
| Van Bibber Lake Conservancy District | 830 | 2.2 ppb |
| Town Of Fillmore Utilities | 510 | 0 (not detected) |
| Big Walnut Water Company | 500 | 1.4 ppb |
| Russellville Water Works | 405 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Greencastle, IN 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 Greencastle Department Of Water 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. The action level is dropping - the 10 ppb rule from 2027.