Green Lake Mhp, IA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2021). 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.
Green Lake Mhp at a glance
Green Lake Mhp serves about 70 people through 34 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Green Lake County, Iowa. EPA system ID: WI4240223. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
That is down 1.7 ppb from 1.7 ppb in the period ending 2018. The highest 90th-percentile result EPA holds for Green Lake Mhp is 1.7 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2021 | 0 (not detected) |
| 2018 | 1.7 ppb |
How Green Lake Mhp 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. Green Lake Mhp's reported as 0 (not detected) sits at the 4th percentile in Iowa and the 6th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Next steps for Cedar Rapids, IA
Look up your address in Green Lake Mhp'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 Green Lake Mhp 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.