Table Mound Park, IA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2023). 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.
Table Mound Park at a glance
Table Mound Park serves about 455 people through 433 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Dubuque County, Iowa. EPA system ID: IA3100600; phone on file: 563-258-2733. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2023 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Table Mound Park is 8 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2023 | 1 ppb |
| 2022 | 8 ppb |
| 2020 | 1.5 ppb |
| 2017 | 6 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. Table Mound Park's reported as 0 (not detected) sits at the 18th percentile in Iowa and the 22nd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Dubuque County
29 other systems share Dubuque County; 18 of them have a higher latest lead result than Table Mound Park. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Dubuque Water Works | 59,667 | 5 ppb |
| Asbury Municipal Water System | 5,943 | 0 (not detected) |
| Dyersville Municipal Water Co | 4,477 | 1.7 ppb |
| Cascade Municipal Water Supply | 2,386 | 0 (not detected) |
| Peosta Water Supply | 2,278 | 0.5 ppb |
| Epworth Water Supply | 2,023 | 5.75 ppb |
| Farley Water Supply | 1,766 | 1.3 ppb |
| Alpine Park | 932 | 4.6 ppb |
| New Vienna Water Supply | 382 | 0 (not detected) |
| Worthington Water Supply | 382 | 0 (not detected) |
Next steps for Cascasde, IA
Look up your address in Table Mound Park'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 Table Mound Park 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.