Avoca Water Works, 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.
Avoca Water Works at a glance
Avoca Water Works serves about 1,697 people through 845 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 Pottawattamie County, Iowa. EPA system ID: IA7803080; phone on file: 712-307-0934. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2023 (0.7 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Avoca Water Works is 0.7 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0.7 ppb |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
How Avoca Water Works 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. Avoca Water Works's reported as 0 (not detected) sits at the 26th percentile in Iowa and the 30th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Pottawattamie County
14 other systems share Pottawattamie County; 10 of them have a higher latest lead result than Avoca Water Works. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Council Bluffs Water Works | 64,447 | 2 ppb |
| Carter Lake Water District | 3,791 | 3 ppb |
| Urban Bluffs - North | 1,558 | 2 ppb |
| Oakland Munic Water Utility | 1,524 | 1.3 ppb |
| Treynor Water Department | 1,049 | 5 ppb |
| Neola Light & Water | 906 | 4.4 ppb |
| Lakeside Estates Llc | 823 | 0 (not detected) |
| Crescent Water Supply | 778 | 0 (not detected) |
| Walnut Municipal Utilities | 768 | 0 (not detected) |
| Carson Water Supply | 766 | 1 ppb |
Next steps for Avoca, IA
Look up your address in Avoca Water Works'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 Avoca Water Works 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.