Graettinger Municipal Water Supply, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 1 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.
Who runs the water here
Graettinger Municipal Water Supply serves about 897 people through 485 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 Palo Alto County, Iowa. EPA system ID: IA7445096; phone on file: 712-859-3934. They can tell you what your service line is made of and whether they pay to replace it.
Graettinger Municipal Water Supply's lead record
That is down 2 ppb from 3 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Graettinger Municipal Water Supply is 4 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1 ppb |
| 2020 | 3 ppb |
| 2017 | 4 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. Graettinger Municipal Water Supply's 1 ppb sits at the 43rd percentile in Iowa and the 53rd nationally (higher means more lead).
Neighbouring systems
6 other systems share Palo Alto County; 3 of them have a higher latest lead result than Graettinger Municipal Water Supply. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Iowa Lakes Regional Water - Osgood | 9,021 | 0 (not detected) |
| Emmetsburg Municipal Water Department | 3,733 | 1.1 ppb |
| Ruthven Water Supply | 779 | 5 ppb |
| West Bend Water Department | 772 | 1 ppb |
| Mallard Water Supply | 257 | 0 (not detected) |
| Rodman Water System | 31 | 9.6 ppb |
Next steps for Graettinger, IA
Test your own tap with a certified lab first-draw sample; Graettinger, 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 Graettinger Municipal 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.