Does IG1 flood?

IG1 1RB up to High IG1 1RE up to High IG1 1RF up to High IG1 1TT up to High IG1 1TU up to High IG1 1TX up to High IG1 1TZ up to High IG1 1XR up to High IG1 1XU up to High IG1 1XW up to High IG1 1YB up to High IG1 1YD up to High IG1 1YE up to High IG1 1YF up to High IG1 2EG up to High IG1 2TG up to High IG1 2TQ up to High IG1 3AL up to High IG1 3AP up to High IG1 3BE up to High IG1 3BL up to High IG1 3BN up to High IG1 3BW up to High IG1 3DF up to High IG1 3DH up to High IG1 3DP up to High IG1 3FA up to High IG1 3FL up to High IG1 3TG up to High IG1 3TH up to High IG1 3TJ up to High IG1 3TL up to High IG1 3TN up to High IG1 3TQ up to High IG1 3TW up to High IG1 4TG up to High IG1 1LQ up to Medium IG1 1SZ up to Medium IG1 1XT up to Medium IG1 3AQ up to Medium IG1 3BP up to Medium IG1 3DG up to Medium IG1 3DR up to Medium IG1 3TP up to Medium IG1 3UA up to Medium IG1 3UB up to Medium IG1 1FT up to Low IG1 1RG up to Low IG1 1RH up to Low IG1 1RJ up to Low IG1 1RL up to Low IG1 1RQ up to Low IG1 1SS up to Low IG1 1TS up to Low IG1 1TW up to Low IG1 1UD up to Low IG1 1UE up to Low IG1 1UF up to Low IG1 1XL up to Low IG1 1XN up to Low IG1 1YQ up to Low IG1 2AH up to Low IG1 2BX up to Low IG1 2BY up to Low IG1 2DH up to Low IG1 2EA up to Low IG1 2EE up to Low IG1 2HW up to Low IG1 2PG up to Low IG1 2SP up to Low IG1 2TH up to Low IG1 2UN up to Low IG1 2UP up to Low IG1 2UW up to Low IG1 2XP up to Low IG1 2XR up to Low IG1 3AJ up to Low IG1 3EF up to Low IG1 3FJ up to Low IG1 3TR up to Low IG1 4BP up to Low IG1 2EP up to Very low IG1 2HZ up to Very low IG1 2JW up to Very low IG1 3SU up to Very low IG1 3SX up to Very low IG1 3SY up to Very low IG1 4UA up to Very low