Boardwalk Mhc, CA
Lead detected, under the action levels
Latest 90th-percentile lead: 0.22 ppb (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. 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.
About Boardwalk Mhc
Boardwalk Mhc serves about 71 people through 49 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Waupaca County, California. EPA system ID: WI4690405. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2020 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Boardwalk Mhc is 0.22 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0.22 ppb |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
Against other California systems
Of the 2,884 California systems with a lead result, the median latest reading is 0 ppb; 30 are over 15 ppb right now and 215 have gone over at some point. Boardwalk Mhc's 0.22 ppb sits at the 64th percentile in California and the 41st nationally (higher means more lead).
Next steps for Irvine, CA
Test your own tap with a certified lab first-draw sample; Irvine, CA 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 Boardwalk Mhc 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. Size matters more than most people expect: small vs large water systems.