It is the intent of this article that full advantage be taken of all funds available under the Federal Water Pollution Control Act, but the State of Georgia shall not be limited in its contribution, and where no funds are available under the Federal Water Pollution Control Act, the State of Georgia shall be authorized to appropriate funds for the alleviation of pollution problems and for the construction of water pollution control projects throughout the State of Georgia as the need may be shown by counties, municipalities, or combinations thereof, or any public authority, agency, commission, or institution. Such grants by the state may be made for specific communities or for water pollution control projects to be determined by the division and administered by it.