Sanctuary Of Delafield, WI
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.
Who runs the water here
Sanctuary Of Delafield serves about 27 people through 21 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Waukesha County, Wisconsin. EPA system ID: WI2685951. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
Against the period ending 2020 (0.36 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Sanctuary Of Delafield is 1.47 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2021 | 0 (not detected) |
| 2020 | 0.36 ppb |
| 2019 | 0.2 ppb |
| 2018 | 0.28 ppb |
| 2017 | 0.47 ppb |
| 2016 | 1.47 ppb |
How Sanctuary Of Delafield compares
Of the 947 Wisconsin systems with a lead result, the median latest reading is 1.33 ppb; 6 are over 15 ppb right now and 71 have gone over at some point. Sanctuary Of Delafield's reported as 0 (not detected) sits at the 0th percentile in Wisconsin and the 1st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
71 other systems share Waukesha County; 66 of them have a higher latest lead result than Sanctuary Of Delafield. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Waukesha Water Utility | 70,718 | 0.56 ppb |
| Brookfield Water Utility | 29,070 | 1.5 ppb |
| New Berlin Water Utility | 27,899 | 0.33 ppb |
| Menomonee Falls Ww - Surface Water | 23,867 | 2.1 ppb |
| Oconomowoc Waterworks | 15,805 | 6.8 ppb |
| Sussex Village Hall & Water Utility | 11,750 | 1.8 ppb |
| Hartland Waterworks | 9,212 | 4.2 ppb |
| Pewaukee City Water And Sewer Utility | 8,671 | 2.6 ppb |
| Mukwonago Waterworks | 8,190 | 3.2 ppb |
| Pewaukee Village Waterworks | 8,166 | 1 ppb |
What to do in your house
Look up your address in Sanctuary Of Delafield'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 Sanctuary Of Delafield 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. Small systems behave differently: why small systems go over more often.