Alvord Municipal Water Supply, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 4 ppb (monitoring period 2024-2024). 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
Alvord Municipal Water Supply serves about 206 people through 95 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 Lyon County, Iowa. EPA system ID: IA6003032; phone on file: 712-473-2246. 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 up 1.1 ppb from 2.9 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Alvord Municipal Water Supply is 5 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 4 ppb |
| 2023 | 2.9 ppb |
| 2022 | 2.8 ppb |
| 2022 | 2.7 ppb |
| 2021 | 0.9 ppb |
| 2018 | 5 ppb |
Where this result ranks
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. Alvord Municipal Water Supply's 4 ppb sits at the 83rd percentile in Iowa and the 87th nationally (higher means more lead).
Neighbouring systems
11 other systems share Lyon County; 2 of them have a higher latest lead result than Alvord Municipal Water Supply. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Rock Rapids Municipal Water Works | 2,611 | 1.5 ppb |
| Lyon-Sioux Rws-Doon | 1,765 | 4 ppb |
| Lyon-Sioux Rws-Big Sioux | 1,530 | 4 ppb |
| Lyon-Sioux Rws-Rock Rapids | 1,187 | 2 ppb |
| George Water Supply | 1,082 | 2 ppb |
| Inwood Water Supply | 928 | 2.1 ppb |
| Larchwood Water Supply | 926 | 2.4 ppb |
| Doon Water Supply | 619 | 4 ppb |
| Lyon-Sioux Rws-Boyden | 605 | 5.3 ppb |
| Little Rock Water Supply | 441 | 9.1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Alvord, 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 Alvord Municipal Water Supply whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1949.8 ppb (copper action level 1,300 ppb).
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. Size matters more than most people expect: small vs large water systems.