Greater Johnstown Wa Riverside, PA
Lead detected, under the action levels
Latest 90th-percentile lead: 5 ppb (monitoring period 2025-2025). 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.
Greater Johnstown Wa Riverside at a glance
Greater Johnstown Wa Riverside serves about 49,500 people through 21,902 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Cambria County, Pennsylvania. EPA system ID: PA4110034; phone on file: 814-533-4300. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Greater Johnstown Wa Riverside's lead record
That is up 1.67 ppb from 3.33 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Greater Johnstown Wa Riverside is 6 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 5 ppb |
| 2022 | 3.33 ppb |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2016 | 6 ppb |
How Greater Johnstown Wa Riverside compares
Of the 516 Pennsylvania systems with a lead result, the median latest reading is 2 ppb; 143 are over 15 ppb right now and 156 have gone over at some point. Greater Johnstown Wa Riverside's 5 ppb sits at the 68th percentile in Pennsylvania and the 91st nationally (higher means more lead).
Neighbouring systems
35 other systems share Cambria County; 2 of them have a higher latest lead result than Greater Johnstown Wa Riverside. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Highland S & W Auth Beaverdam | 22,617 | 0 (not detected) |
| Ebensburg Boro Muni Auth | 8,500 | 1.11 ppb |
| Portage Boro Muni Auth | 6,500 | 1 ppb |
| Northern Cambria Muni Water | 4,500 | 2 ppb |
| Southwestern Cambria Cnty Auth | 4,400 | 0 (not detected) |
| Jackson Twp Water Auth | 4,236 | 2.15 ppb |
| Glendale Valley Municipal Auth | 3,200 | - |
| Nanty Glo Water Auth | 3,152 | 2.66 ppb |
| East Taylor Muni Auth | 3,152 | - |
| Gallitzin Boro Water Auth | 3,130 | - |
What to do in your house
Test your own tap with a certified lab first-draw sample; Johnstown, PA 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 Greater Johnstown Wa Riverside 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. Size matters more than most people expect: small vs large water systems.