The authorized representative of the department, upon presentation of the representative's credentials, may at reasonable times enter upon any public or private property to:
(1) investigate conditions relating to pollution of state waters or violations of permit conditions;
(2) have access to and copy any records required under this chapter;
(3) inspect any monitoring equipment or method required under 75-5-602 (3); and
(4) sample any effluents that the owner or operator of the source is required to sample under 75-5-602 (4).