Hollidaysburg Muni Auth, PA
Exceeded the action level in the past
Latest 90th-percentile lead: 0.73 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Hollidaysburg Muni Auth serves about 8,523 people through 3,475 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Blair County, Pennsylvania. EPA system ID: PA4070017; phone on file: 814-695-7543. They can tell you what your service line is made of and whether they pay to replace it.
Hollidaysburg Muni Auth's lead record
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hollidaysburg Muni Auth is 21.4 ppb across 7 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.73 ppb |
| 2022 | 0 (not detected) |
| 2021 | 0.56 ppb |
| 2020 | 1.38 ppb |
| 2020 | 0.7 ppb |
| 2019 | 21.4 ppb over 15 |
| 2016 | 0 (not detected) |
How Hollidaysburg Muni Auth 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. Hollidaysburg Muni Auth's 0.73 ppb sits at the 27th percentile in Pennsylvania and the 47th nationally (higher means more lead).
Other water systems in Blair County
23 other systems share Blair County; 2 of them have a higher latest lead result than Hollidaysburg Muni Auth. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Altoona Water Authority | 62,500 | 2.87 ppb |
| Tyrone Boro Water Auth | 6,500 | 0 (not detected) |
| Roaring Spring Muni Water Auth | 3,182 | - |
| Bellwood Boro Auth | 3,162 | - |
| Martinsburg Muni Auth | 3,160 | - |
| Blair Twp Water & Sewer Auth | 2,550 | - |
| Greenfield Twp Muni Auth | 2,500 | - |
| Duncansville Muni Water Auth | 2,350 | - |
| Williamsburg Munic Auth | 1,800 | - |
| Freedom Twp Water & Sewer | 1,400 | - |
What to do in your house
Test your own tap with a certified lab first-draw sample; Hollidaysburg, 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 Hollidaysburg Muni Auth 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. More in what a past exceedance means today.