Inver Grove Heights, MN
Lead detected, under the action levels
Latest 90th-percentile lead: 3 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.
About Inver Grove Heights
Inver Grove Heights serves about 34,189 people through 8,727 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 groundwater, in Dakota County, Minnesota. EPA system ID: MN1190014; phone on file: 6514502513. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Inver Grove Heights's lead record
Against the period ending 2022 (4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Inver Grove Heights is 8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2022 | 4 ppb |
| 2019 | 8 ppb |
| 2016 | 4 ppb |
Against other Minnesota systems
Of the 966 Minnesota systems with a lead result, the median latest reading is 0 ppb; 7 are over 15 ppb right now and 48 have gone over at some point. Inver Grove Heights's 3 ppb sits at the 86th percentile in Minnesota and the 83rd nationally (higher means more lead).
Other water systems in Dakota County
19 other systems share Dakota County; 4 of them have a higher latest lead result than Inver Grove Heights. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Eagan | 68,223 | 0 (not detected) |
| Lakeville | 67,300 | 0 (not detected) |
| Burnsville | 64,317 | 0 (not detected) |
| Apple Valley | 50,300 | 0 (not detected) |
| Rosemount | 26,500 | 3 ppb |
| Farmington | 23,534 | 0 (not detected) |
| Hastings | 23,222 | 3 ppb |
| South Saint Paul | 20,664 | 8 ppb |
| Empire | 3,152 | 0 (not detected) |
| Skyline Village Mobile Home Park | 1,185 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Inver Grove Heights, MN 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 Inver Grove Heights 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. Systems that went over once often dip back under; here is what that means.