The collection of Underground Water Tax in Pekanbaru city is involving few institutions, they are Riau Local Income Department (Dipenda), environment controlling impact commitee which managed by Dipenda Pekanbaru City and the Mining Department. Each of these institutions has its own interest which related to the rule System of Legislation which became the guardian of law in executing institutions activity.Based on the above, researcher wants to know how the implementation on coordination in collecting Underground Water Tax executed by Dipenda Pekanbaru City Riau Province and how to optimalize the alternative policy in coordination and organization underground water tax by Dipenda. This research used quantitative approach with qualitative data.From the background issue above, we can conclude that there is unoptimal coordination between Dipenda in collection, Mining Department in supervision, and environment controlling impact commitee in permission underground water.Afterwards, in collecting Underground Water Tax which manage by Dipenda there are company or industry which have not reported and paid the used of underground water. Mutual coordination is the effective way in collecting underground water tax because it needs to be applied to those related institutions.Income Department should do its, function properly so the institutions can fulfill their own duty, authority and responsibility in order to fulfill the coordination among those institutions, Dipenda should make coordination policy in the mutual coordination from. |