Delphi Water Works, IN
Lead detected, under the action levels
Latest 90th-percentile lead: 1.69 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. 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
Delphi Water Works serves about 3,200 people through 1,200 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Carroll County, Indiana. EPA system ID: IN5208002; phone on file: 765-564-3944. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
The highest 90th-percentile result EPA holds for Delphi Water Works is 1.69 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.69 ppb |
How Delphi Water Works compares
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. Delphi Water Works's 1.69 ppb sits at the 58th percentile in Indiana and the 66th nationally (higher means more lead).
Neighbouring systems
4 other systems share Carroll County; 1 of them has a higher latest lead result than Delphi Water Works. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Flora Water Works | 2,100 | 0 (not detected) |
| Camden Water Utility | 611 | 5.1 ppb |
| The Landings Homeowners Association | 159 | 0 (not detected) |
| Green Acres Mobile Estates | 51 | 0 (not detected) |
Next steps for Delphi, IN
Test your own tap with a certified lab first-draw sample; Delphi, 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 Delphi Water Works 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.