Ciww (Grimes), IA
No lead results on file with EPA
Latest 90th-percentile lead: no result on file. The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. EPA's database has no Lead and Copper Rule results for this system. Without them there is nothing to go on, so a tap test is the only way to know.
Who runs the water here
Ciww (Grimes) serves about 25 people through 1 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 Polk County, Iowa. EPA system ID: IA7736015; phone on file: 515-986-3176. They can tell you what your service line is made of and whether they pay to replace it.
Neighbouring systems
34 other systems share Polk County. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Des Moines Water Works | 246,055 | 0 (not detected) |
| Ankeny, City Of | 76,207 | 0 (not detected) |
| Urbandale Water Utility | 45,605 | 0 (not detected) |
| Johnston Municipal Water Supply | 24,897 | 0 (not detected) |
| Altoona Water Supply | 22,436 | 5.6 ppb |
| Clive Water Department | 20,277 | 0 (not detected) |
| Grimes Water Supply | 17,997 | 0 (not detected) |
| Bondurant Muni Water Supply | 9,393 | 1.3 ppb |
| Southeast Polk Rwd | 7,565 | 0 (not detected) |
| Polk City Water Supply | 6,533 | 1.3 ppb |
Next steps for Grimes, IA
Test your own tap with a certified lab first-draw sample; Grimes, 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 Ciww (Grimes) 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. Systems that went over once often dip back under; here is what that means.