enth s ▁of ▁a ▁mile , ▁crossing ▁US ▁Route ▁ 1 1 ▁before ▁reaching ▁its ▁confl u ence ▁with ▁the ▁L ack aw anna ▁River . ▁ ▁Spring ▁Brook ▁joins ▁the ▁L ack aw anna ▁River ▁ ▁up river ▁of ▁its ▁mouth . ▁ ▁Trib ut aries ▁Spring ▁Brook ▁has ▁numerous ▁named ▁trib ut aries : ▁Pan ther ▁Creek , ▁Pl ank ▁Bridge ▁Creek , ▁R att les nake ▁Creek , ▁Green ▁Run , ▁Monument ▁Creek , ▁and ▁C ove y ▁Sw amp ▁Creek . ▁Pan ther ▁Creek ▁joins ▁Spring ▁Brook ▁ ▁up stream ▁of ▁its ▁mouth . ▁Its ▁waters hed ▁has ▁an ▁area ▁of ▁. ▁Pl ank ▁Bridge ▁Creek ▁joins ▁Spring ▁Brook ▁ ▁up stream ▁of ▁its ▁mouth . ▁Its ▁waters hed ▁has ▁an ▁area ▁of ▁. ▁R att les nake ▁Creek ▁joins ▁Spring ▁Brook ▁ ▁up stream ▁of ▁its ▁mouth . ▁Its ▁waters hed ▁has ▁an ▁area ▁of ▁. ▁Green ▁Run ▁reaches ▁its ▁confl u ence ▁with ▁Spring ▁Brook ▁ ▁up stream ▁of ▁its ▁mouth . ▁Its ▁waters hed ▁has ▁an ▁area ▁of ▁. ▁Spring ▁Brook ▁also ▁has ▁numerous ▁un named ▁trib ut aries . ▁ ▁H ydro log y ▁Spring ▁Brook ▁experiences ▁notice able ▁flow ▁loss . ▁As ▁of ▁ 2 0 0 9 , ▁it ▁has ▁high ▁levels ▁of ▁sod ium ▁and ▁al kal inity . ▁Pitt son ▁Township ▁and ▁the ▁bor ough ▁of ▁Mo os ic ▁have ▁perm its ▁to ▁dis charge ▁storm water ▁into ▁it . ▁However , ▁the ▁water ▁quality ▁and ▁habitat ▁quality ▁of ▁the ▁stream