Marshalltown Estates, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 3 ppb (monitoring period 2022-2024). 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.
Who runs the water here
Marshalltown Estates serves about 382 people through 150 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Marshall County, Iowa. EPA system ID: IA6400628. Ask the utility on your bill for your address in their service line inventory.
Marshalltown Estates's lead record
Against the period ending 2021 (3.6 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Marshalltown Estates is 8.1 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 3 ppb |
| 2021 | 3.6 ppb |
| 2018 | 8.1 ppb |
Against other Iowa systems
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. Marshalltown Estates's 3 ppb sits at the 75th percentile in Iowa and the 82nd nationally (higher means more lead).
Nearby utilities
12 other systems share Marshall County; 2 of them have a higher latest lead result than Marshalltown Estates. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Marshalltown Water Works | 27,680 | 2 ppb |
| State Center Muni Water Dept | 1,411 | 0.5 ppb |
| Le Grand Water Works | 910 | 1.1 ppb |
| Melbourne Water Supply | 765 | 5.7 ppb |
| Gilman Water Supply | 582 | 0 (not detected) |
| Sunset Village | 528 | 0 (not detected) |
| Albion Water Department | 448 | 1.4 ppb |
| Liscomb Water Supply | 291 | 0 (not detected) |
| Rhodes Water Supply | 271 | 0 (not detected) |
| Laurel Municipal Water Works | 220 | 3.2 ppb |
Next steps for Marshalltown, IA
Test your own tap with a certified lab first-draw sample; Marshalltown, IA 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 Marshalltown Estates 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. The action level is dropping - the 10 ppb rule from 2027.