This is a list of municipal authorities in Somerset County, Pennsylvania.
| Municipal Authority | Function | City | External link |
|---|---|---|---|
| Addison Area Water Authority | water supply | Addison, Pennsylvania | |
| Berlin Borough Municipal Authority | water supply | Berlin, Pennsylvania | |
| Boswell Borough Municipal Authority | water supply | Boswell, Pennsylvania | |
| Central City Water Authority | water supply | Central City, Pennsylvania | |
| Conemaugh Township Municipal Authority | water supply | Davidsville, Pennsylvania | |
| Confluence Borough Municipal Authority | sewage treatment | Confluence, Pennsylvania | |
| Gray Area Water Authority Of Jenner Township | water supply | Gray, Pennsylvania | |
| Hooversville Borough Municipal Authority | water supply | Hooversville, Pennsylvania | |
| Jenner Area Sewer Authority | sewage treatment | Jennerstown, Pennsylvania | |
| Jenner Township Municipal Water Authority | water supply | Boswell, Pennsylvania | |
| Jennerstown Municipal Authority | water supply | Jennerstown, Pennsylvania | |
| Laurel Highlands Municipal Authority | sewage treatment | Rockwood, Pennsylvania | |
| Lincoln Township Municipal Authority | water supply | Sipesville, Pennsylvania | |
| Meyersdale Municipal Authority | water supply | Meyersdale, Pennsylvania | |
| Milford Township Municipal Authority | sewerage and water supply | Rockwood, Pennsylvania | |
| Rockwood Borough Municipal Authority | sewerage and water supply | Rockwood, Pennsylvania | |
| Seven Springs Borough Municipal Authority | multi-function authority | Champion, Pennsylvania | |
| Shade Central City Joint Authority | sewage treatment | Central City, Pennsylvania | |
| Somerset Borough Municipal Authority | sewerage and water supply | Somerset, Pennsylvania | http://www.somersetborough.com |
| Somerset County General Authority | general authority | Somerset, Pennsylvania | |
| Somerset County Hospital Authority | health authority | Somerset, Pennsylvania | |
| Somerset County Housing Authority | housing and community development | Boswell, Pennsylvania | |
| Somerset County Industrial Development Authority | business improvement district | Somerset, Pennsylvania | http://www.scedc.net |
| Somerset Township Municipal Authority | sewerage and water supply | Somerset, Pennsylvania | |
| Stoystown Borough Water Authority | water supply | Stoystown, Pennsylvania | |
| Upper Stony Creek Joint Municipal Authority | sewage treatment | Hooversville, Pennsylvania | |
| Windber Area Authority | sewerage and water supply | Windber, Pennsylvania | |
| Windber Borough Municipal Authority | multi-function authority | Windber, Pennsylvania | |
| Youghiogheny Hydroelectric Authority | electric generation | Champion, Pennsylvania |