Magnolia, City Of, IA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
Who runs the water here
Magnolia, City Of serves about 188 people through 94 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Harrison County, Iowa. EPA system ID: IA4341017; phone on file: 712-216-1710. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Magnolia, City Of's lead record
That is down 2 ppb from 2 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Magnolia, City Of is 2.2 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 2 ppb |
| 2019 | 0 (not detected) |
| 2016 | 2.2 ppb |
How Magnolia, City Of compares
Of the 1,066 Iowa systems with a lead result, the median latest reading is 1.4 ppb; 4 are over 15 ppb right now and 36 have gone over at some point. Magnolia, City Of's reported as 0 (not detected) sits at the 11th percentile in Iowa and the 15th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
10 other systems share Harrison County; 9 of them have a higher latest lead result than Magnolia, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Missouri Valley Water Supply | 2,678 | 2.9 ppb |
| Woodbine Water Department | 1,625 | 4 ppb |
| Logan Water Supply | 1,397 | 2 ppb |
| Dunlap Water Supply | 1,035 | 3 ppb |
| Mondamin Water Supply | 339 | 2.57 ppb |
| Modale Water Supply | 280 | 3 ppb |
| Pisgah Water Supply | 245 | 3.2 ppb |
| Sunnyside Village Mhp Llc | 190 | 0 (not detected) |
| Little Sioux Water Department | 150 | 3 ppb |
| Valley View Water Association | 65 | 3.8 ppb |
Your move
Look up your address in Magnolia, City Of'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 Magnolia, City Of 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. A zero today does not rule out a jump later - the rules are tightening in 2027.