Table 14.6: Aquifer designations in the study area

Superficial deposits	Aquifer designation
Glacial till (diamicton)	Secondary Undifferentiated
Peat	Unproductive strata
Glaciolacustrine deposits	Unproductive strata
Glaciofluvial/glaciofluvial ice contact deposits	Secondary A
Hummocky (moundy) glacial deposits	Secondary Undifferentiated
Alluvium	Secondary A
Head	Secondary Undifferentiated
River terrace deposits	Secondary A
Bedrock	Aquifer designation
Pennine Lower Coal Measures Formation	Secondary A
Pennine Middle Coal Measures Formation	Secondary A
Pennine Upper Coal Measures Formation	Secondary A
Chester Formation	Principal
Collyhurst Sandstone Formation	Principal
Manchester Marls Formation	Secondary B
Rossendale Formation (Rough Rock Formation)	Secondary A