Water Treatment
Wastewater Treatment
Water Treatment
| Facility | Community Served | Process | Max. GPD |
| Brook Lane | private | ground water - 3 wells | 7,000 |
| Clear Spring | Clear Spring | ground water - 4 wells + springs | 200,000 |
| Elk Ridge | Elk Ridge | ground water - 3 wells | 10,000 |
| Highfield | Highfield/Cascade | ground water - 3 wells | 100,000 |
| Mt. Aetna | Mt. Aetna | ground water - 1 well + springs | 40,000 |
| St. James | St. James School | ground water - springs | 8,200 |
| Sandy Hook | Sandy Hook | ground water - 2 wells | 30,000 |
| Sharpsburg | Sharpsburg | surface water - Potomac River | 100,000 |
| Facility | Community Served | Process | Max GPD |
| Antietam | Sharpsburg | Activated Sludge / Oxidization Ditch | 141,000 |
| Brook Lane | private | Activated Sludge Package Plant | 10,000 |
| Clear Spring | Clear Spring | Oxidation Ditch | 200,000 |
| Conococheague | Halfway | Activated Sludge / SBR | 2,500,000 |
| Nicodemus | Williamsport | Trickling Filter | 1,600,000 |
| Sandy Hook | Sandy Hook | Modified Rotating Biological Contacter | 30,000 |
| Sharpsburg | Sharpsburg | Lagoon | 6,500 |
| Smithsburg | Smithsburg | Activated Sludge / SBR | 500,000 |
| St. James | St. James School | Activated Sludge | 16,300 |
| Winebrenner | Highfield/Cascade | Rotating Biological Contacter | 600,000 |