Long Grove Muni Water Supply, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 1.5 ppb (monitoring period 2022-2024). 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.
Long Grove Muni Water Supply at a glance
Long Grove Muni Water Supply serves about 838 people through 307 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 Scott County, Iowa. EPA system ID: IA8251096; phone on file: 563-285-4904. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2021 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Long Grove Muni Water Supply is 1.5 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.5 ppb |
| 2021 | 1 ppb |
| 2018 | 0 (not detected) |
How Long Grove Muni 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. Long Grove Muni Water Supply's 1.5 ppb sits at the 52nd percentile in Iowa and the 64th nationally (higher means more lead).
Nearby utilities
47 other systems share Scott County; 22 of them have a higher latest lead result than Long Grove Muni Water Supply. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Iowa-American Wtr Co-Davenport | 147,720 | 1 ppb |
| Eldridge Water Supply | 6,726 | 1.3 ppb |
| Park View Water & Sanitary District | 2,389 | 1 ppb |
| Walcott Waterworks | 1,551 | 0 (not detected) |
| Buffalo Water Supply | 1,176 | 0 (not detected) |
| Princeton Water Supply | 923 | 5.2 ppb |
| Iowa American Water Donahue | 335 | 0 (not detected) |
| Ponderosa Park Mhp | 320 | 0 (not detected) |
| Village Oaks Homeowners Assn | 250 | 2 ppb |
| Dodds Valley View Water Assn | 220 | 5.4 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Long Grove, 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 Long Grove Muni 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. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.