Stonebrooke Addition I, MN
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Stonebrooke Addition I at a glance
Stonebrooke Addition I serves about 100 people through 34 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Scott County, Minnesota. EPA system ID: MN1700024. Ask the utility on your bill for your address in their service line inventory.
Stonebrooke Addition I's lead record
Against the period ending 2020 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Stonebrooke Addition I is 1 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 1 ppb |
Where this result ranks
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. Stonebrooke Addition I's reported as 0 (not detected) sits at the 12th percentile in Minnesota and the 9th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Scott County
16 other systems share Scott County; 2 of them have a higher latest lead result than Stonebrooke Addition I. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Shakopee | 47,000 | 2 ppb |
| Savage | 30,285 | 0 (not detected) |
| Prior Lake | 29,300 | 0 (not detected) |
| Belle Plaine | 7,456 | 0 (not detected) |
| Jordan | 6,700 | 0 (not detected) |
| Elko New Market | 5,003 | 0 (not detected) |
| Bonnevista Terrace Mobile Home Park | 579 | 0 (not detected) |
| Territory Community | 320 | 0 (not detected) |
| Jackson Heights Mobile Home Park | 220 | 0 (not detected) |
| Mobile Manor Mobile Home Park | 197 | 0 (not detected) |
Your move
Look up your address in Stonebrooke Addition I's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Stonebrooke Addition I 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. Small systems behave differently: why small systems go over more often.