Malvern Water Supply, IA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2026-2026). 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.
Who runs the water here
Malvern Water Supply serves about 1,046 people through 554 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 groundwater, in Mills County, Iowa. EPA system ID: IA6545020; phone on file: 712-624-8282. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is down 1.3 ppb from 1.3 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Malvern Water Supply is 2 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 1.3 ppb |
| 2024 | 0 (not detected) |
| 2023 | 1.2 ppb |
| 2020 | 2 ppb |
| 2017 | 1.6 ppb |
| 2016 | 1.2 ppb |
How Malvern Water Supply 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. Malvern Water Supply's reported as 0 (not detected) sits at the 24th percentile in Iowa and the 27th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Mills County
6 other systems share Mills County; 4 of them have a higher latest lead result than Malvern Water Supply. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Glenwood Municipal Utilities | 5,449 | 0.8 ppb |
| Emerson Water Department | 412 | 4 ppb |
| Silver City Water Supply | 245 | 0 (not detected) |
| Hastings Water Supply | 152 | 0.6 ppb |
| Henderson Water Department | 144 | 0 (not detected) |
| Pony Creek #1 Hoa | 125 | 2 ppb |
Next steps for Malvern, IA
Look up your address in Malvern Water Supply'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 Malvern Water Supply 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. Small systems behave differently: why small systems go over more often.