Rocky Knoll Health Care Fac, WI
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2023). 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.
Rocky Knoll Health Care Fac at a glance
Rocky Knoll Health Care Fac serves about 564 people through 208 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 Sheboygan County, Wisconsin. EPA system ID: WI4600447. Ask the utility on your bill for your address in their service line inventory.
Rocky Knoll Health Care Fac's lead record
Against the period ending 2020 (0.47 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Rocky Knoll Health Care Fac is 0.66 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 0.47 ppb |
| 2017 | 0.66 ppb |
Where this result ranks
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. Rocky Knoll Health Care Fac's reported as 0 (not detected) sits at the 11th percentile in Wisconsin and the 23rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Sheboygan County
16 other systems share Sheboygan County; 15 of them have a higher latest lead result than Rocky Knoll Health Care Fac. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Sheboygan Water Utilities | 49,931 | 2.2 ppb |
| Plymouth Utilities | 8,964 | 6.17 ppb |
| Sheboygan Falls Utilities | 8,687 | 5.4 ppb |
| Sheboygan Tn Waterworks | 4,596 | 2.9 ppb |
| Oostburg Waterworks | 3,110 | 10.5 ppb |
| Kohler Waterworks | 2,271 | 0.82 ppb |
| Cedar Grove Waterworks | 2,213 | 8.9 ppb |
| Random Lake Waterworks | 1,594 | 0.53 ppb |
| Elkhart Lake Waterworks | 1,567 | 0.54 ppb |
| Kettle Moraine Correctional Institution | 1,544 | 0.34 ppb |
Your move
Look up your address in Rocky Knoll Health Care Fac'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 Rocky Knoll Health Care Fac 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.