Nora Springs Water Supply, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 6 ppb (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. 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.
Nora Springs Water Supply at a glance
Nora Springs Water Supply serves about 1,369 people through 565 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 Floyd County, Iowa. EPA system ID: IA3423069; phone on file: 641-430-1410. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Nora Springs Water Supply's lead record
Against the period ending 2020 (6.2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Nora Springs Water Supply is 9.8 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 6 ppb |
| 2020 | 6.2 ppb |
| 2017 | 9.8 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. Nora Springs Water Supply's 6 ppb sits at the 92nd percentile in Iowa and the 93rd nationally (higher means more lead).
Other water systems in Floyd County
6 other systems share Floyd County; 2 of them have a higher latest lead result than Nora Springs Water Supply. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Charles City Water Supply | 7,446 | 6.2 ppb |
| Rockford Water Supply | 762 | 2 ppb |
| Rudd Waterworks | 358 | 1.4 ppb |
| Floyd Muni Water Supply | 313 | 10 ppb |
| Marble Rock Water Supply | 272 | 2 ppb |
| Colwell, City Of | 55 | 2.46 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Manly, 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 Nora Springs 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. Systems that went over once often dip back under; here is what that means.