25 Pa. Code § 109.1404
(a) An application for a construction permit or a major construction permit amendment under § 109.503 (relating to public water system construction permits), except for an application for a bottled water or vended water system, retail water facility or bulk water hauling system facility under § 109.1005 (relating to permit requirements), must be accompanied by a fee as follows:
| Population Served | Fee |
| 100 or less | $300 |
| 101—500 | $600 |
| 501—3,300 | $1,000 |
| 3,301—10,000 | $2,500 |
| 10,001—50,000 | $5,000 |
| 50,001—100,000 | $7,500 |
| 100,001 or more | $10,000 |
(b) A written request for a minor construction permit amendment under § 109.503, except for a change in legal status must be accompanied by a fee as follows:
| Population Served | Fee |
| 100 or less | $100 |
| 101—500 | $250 |
| 501—3,300 | $500 |
| 3,301—10,000 | $750 |
| 10,001—50,000 | $1,000 |
| 50,001—100,000 | $2,500 |
| 100,001 or more | $5,000 |