Dmww-Greenbrier Estates, IA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
Who runs the water here
Dmww-Greenbrier Estates serves about 300 people through 98 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws surface water, in Dallas County, Iowa. EPA system ID: IA7709801; phone on file: 515-283-8709. They can tell you what your service line is made of and whether they pay to replace it.
Dmww-Greenbrier Estates's lead record
Against the period ending 2021 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Dmww-Greenbrier Estates is 10 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2018 | 10 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. Dmww-Greenbrier Estates's reported as 0 (not detected) sits at the 15th percentile in Iowa and the 18th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
18 other systems share Dallas County; 7 of them have a higher latest lead result than Dmww-Greenbrier Estates. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Waukee Water Supply | 31,823 | 0 (not detected) |
| Xenia Rwd (Des Moines) | 12,860 | 1.74 ppb |
| Perry Municipal Water Works | 7,836 | 1 ppb |
| Adel Municipal Water Works | 6,461 | 0 (not detected) |
| Xenia Rwd (Woodward) | 3,465 | 0.7 ppb |
| Dallas Center Water Supply | 1,901 | 0 (not detected) |
| Granger Muni Water Supply | 1,654 | 0 (not detected) |
| Woodward Water Supply | 1,346 | 4 ppb |
| Van Meter Municipal Water Work | 1,074 | 0 (not detected) |
| De Soto Water Supply | 960 | 0.5 ppb |
Your move
Look up your address in Dmww-Greenbrier Estates'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 Dmww-Greenbrier Estates 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.