Scotsdale Subd, MO
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
Scotsdale Subd at a glance
Scotsdale Subd serves about 120 people through 28 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Jefferson County, Missouri. EPA system ID: MO6036062; phone on file: 417-609-8920. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is down 3.43 ppb from 3.43 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Scotsdale Subd is 3.43 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 3.43 ppb |
| 2022 | 2.29 ppb |
| 2020 | 2.29 ppb |
| 2019 | 2.15 ppb |
| 2017 | 2.15 ppb |
| 2016 | 2.65 ppb |
How Scotsdale Subd compares
Of the 1,674 Missouri systems with a lead result, the median latest reading is 1.04 ppb; 2 are over 15 ppb right now and 74 have gone over at some point. Scotsdale Subd's reported as 0 (not detected) sits at the 10th percentile in Missouri and the 11th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
65 other systems share Jefferson County; 42 of them have a higher latest lead result than Scotsdale Subd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Jefferson Co Cons Pwsd C 1 | 37,000 | 0 (not detected) |
| Jefferson County Pwsd 1 | 21,113 | 7.25 ppb |
| Jefferson County Pwsd 3 | 17,000 | 0 (not detected) |
| Jefferson County Pwsd 2 | 16,548 | 0 (not detected) |
| Festus Pws | 13,000 | 0 (not detected) |
| Jefferson County Pwsd 10 | 10,000 | 3.86 ppb |
| Jefferson County Pwsd 5 | 8,000 | 1.13 ppb |
| Jefferson County Pwsd 6 | 7,500 | 2.93 ppb |
| Desoto Pws | 6,400 | 1.46 ppb |
| Jefferson County Pwsd 7 | 6,100 | 1.7 ppb |
Next steps for Aurora, MO
Look up your address in Scotsdale Subd'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 Scotsdale Subd 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. The lead result guide covers how utilities pick the homes they sample. Small systems behave differently: why small systems go over more often.