▁ 2 0 0 4 ▁census ▁( INE ), ▁the ▁municipality ▁has ▁a ▁population ▁of ▁ 1 2 5 ▁inhabitants . ▁ ▁Category : M unicip al ities ▁in ▁the ▁Province ▁of ▁Vall ad olid ▁Category : Pop ulated ▁places ▁in ▁the ▁Province ▁of ▁Vall ad olid <0x0A> </s> ▁Co quit lam ▁Dam ▁is ▁a ▁hyd ra ul ic ▁fill ▁emb ank ment ▁dam ▁on ▁the ▁Co quit lam ▁River ▁in ▁the ▁city ▁of ▁Co quit lam , ▁British ▁Columbia . ▁Although ▁it ▁has ▁no ▁power house ▁of ▁its ▁own , ▁its ▁waters ▁di vert ▁to ▁B unt zen ▁Lake , ▁making ▁it ▁part ▁of ▁BC ▁H ydro ' s ▁elect rical ▁generation ▁infrastr ucture . ▁▁ ▁It ▁is ▁also ▁one ▁of ▁the ▁main ▁res er voir s ▁for ▁the ▁Gre ater ▁V ancouver ▁Water ▁District . ▁BC ▁H ydro ▁has ▁released ▁a ▁new ▁document ▁in ▁March ▁ 2 0 1 8 ▁that ▁addresses ▁emer gency ▁prepared ness ▁and ▁out lines ▁the ▁areas ▁effect ed ▁should ▁the ▁dam ▁fail ▁as ▁a ▁result ▁of ▁an ▁extreme ▁earth qu ake ▁event . ▁ ▁History ▁The ▁first ▁Co quit lam ▁Dam , ▁built ▁to ▁raise ▁the ▁water ▁level ▁of ▁Co quit lam ▁Lake ▁by ▁five ▁feet , ▁was ▁begun ▁in ▁April ▁ 1 9 0 4 , ▁and ▁completed ▁in ▁ 1 9 0 5 . ▁It ▁was ▁built ▁to ▁protect ▁the ▁water ▁supply ▁to ▁power h ouses ▁on ▁Indian ▁Arm , ▁via ▁a ▁tunnel ▁to ▁B unt zen ▁Lake , ▁and ▁also ▁supplied ▁water ▁to