Does PL1 flood?

PL1 2JU up to High PL1 2LS up to High PL1 2NX up to High PL1 2NZ up to High PL1 3BT up to High PL1 3BZ up to High PL1 3DD up to High PL1 3DE up to High PL1 3DF up to High PL1 3DJ up to High PL1 3DQ up to High PL1 3EF up to High PL1 3EW up to High PL1 3GD up to High PL1 3GE up to High PL1 3LP up to High PL1 3PA up to High PL1 3QA up to High PL1 3QQ up to High PL1 3QR up to High PL1 3QZ up to High PL1 3RB up to High PL1 3RD up to High PL1 3RJ up to High PL1 3RL up to High PL1 3RN up to High PL1 3RP up to High PL1 3RT up to High PL1 3SA up to High PL1 3TG up to High PL1 4DQ up to High PL1 4FD up to High PL1 4FJ up to High PL1 4FL up to High PL1 4LH up to High PL1 4LL up to High PL1 4LN up to High PL1 4LS up to High PL1 4LX up to High PL1 4QA up to High PL1 4QB up to High PL1 4QE up to High PL1 4TP up to High PL1 3DB up to Medium PL1 3BX up to Low PL1 3QP up to Low PL1 4FN up to Low PL1 4LB up to Low PL1 2AG up to Very low PL1 2BG up to Very low PL1 2BW up to Very low PL1 2BZ up to Very low PL1 2JG up to Very low PL1 2JL up to Very low PL1 2JN up to Very low PL1 2JT up to Very low PL1 2JW up to Very low PL1 2JY up to Very low PL1 2JZ up to Very low PL1 2LA up to Very low PL1 2LB up to Very low PL1 2LD up to Very low PL1 2LE up to Very low PL1 2LL up to Very low PL1 2LP up to Very low PL1 2LR up to Very low PL1 2LW up to Very low PL1 2NA up to Very low PL1 2NB up to Very low PL1 3DA up to Very low PL1 3EQ up to Very low PL1 3TB up to Very low