The Hatfield Township Municipal Authority (HTMA) is responsible for most of the sanitary sewage collection system throughout Hatfield Township, as well as operation of the treatment facility on Advance Lane in Colmar. In addition, the HTMA is responsible for enforcing the Hatfield Township Sewer Use Ordinance.
Municipal Authority Members
| Donald Atkiss |
01/01/06 – 12/31/10 |
| Charles Murgia |
01/01/08 – 12/31/12 |
| Harry Rutherford |
01/01/05 – 12/31/09 |
| Charles Sibel |
01/01/07 – 12/31/11 |
| Barry Wert |
01/01/04 – 12/31/08< | | 
