Westport Water Company, IN
Lead detected, under the action levels
Latest 90th-percentile lead: 0.95 ppb (monitoring period 2023-2025). 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
Westport Water Company serves about 1,725 people through 690 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 surface water, in Decatur County, Indiana. EPA system ID: IN5216005; phone on file: 317-600-9507. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
The highest 90th-percentile result EPA holds for Westport Water Company is 0.95 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.95 ppb |
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. Westport Water Company's 0.95 ppb sits at the 41st percentile in Indiana and the 50th nationally (higher means more lead).
Neighbouring systems
4 other systems share Decatur County; 4 of them have a higher latest lead result than Westport Water Company. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Greensburg Municipal Water Works | 12,650 | 1.72 ppb |
| Decatur Co. Water Corp. | 3,440 | 1.18 ppb |
| Lake Santee Rwwd | 1,500 | 2.6 ppb |
| St. Paul Municipal Water | 1,096 | 1.48 ppb |
Next steps for Westport, IN
Test your own tap with a certified lab first-draw sample; Westport, 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 Westport Water Company 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. Systems that went over once often dip back under; here is what that means.