Rome Water Supply, IA
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Rome Water Supply serves about 114 people through 77 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 Henry County, Iowa. EPA system ID: IA4475001; phone on file: 319-694-4019. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2020 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Rome Water Supply is 24 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 24 ppb over 15 |
| 2016 | 0 (not detected) |
How Rome 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. Rome Water Supply's reported as 0 (not detected) sits at the 6th percentile in Iowa and the 10th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Henry County
10 other systems share Henry County; 4 of them have a higher latest lead result than Rome Water Supply. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mount Pleasant Municipal Utilities | 9,274 | 0 (not detected) |
| New London Munic Water Dept | 1,910 | 1.1 ppb |
| Rathbun Regional Water (Mount Pleasant) | 1,465 | 2 ppb |
| Winfield Muni Water Dept | 1,035 | 0 (not detected) |
| Wayland Water Supply | 966 | 1 ppb |
| Salem Water Supply | 396 | 0 (not detected) |
| Olds Municipal Water Dept | 192 | 2 ppb |
| Hillsboro Water Works | 163 | 0 (not detected) |
| Westwood Water Supply | 101 | 0 (not detected) |
| Nancys Mhp | 77 | - |
Next steps for Washington, IA
Test your own tap with a certified lab first-draw sample; Washington, 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 Rome 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. More in what a past exceedance means today.