327 IAC 5-23-3 Classification of nonindustrial wastewater treatment plants

Sec. 3. A nonindustrial wastewater treatment plant is classified based on the design population equivalent of the plant as follows: (1) Class I-SP includes all waste stabilization ponds, whether controlled discharge or continuous discharge, regardless of flow. (2) Class I includes wastewater treatment plants having a design population equivalent of less than two thousand (2,000). (3) Class II includes wastewater treatment plants having a design population equivalent: (A) equal to or greater than two thousand (2,000); and (B) less than ten thousand (10,000). (4) Class III includes wastewater treatment plants having a design population equivalent: (A) equal to or greater than ten thousand (10,000); and (B) less than or equal to forty thousand (40,000). (5) Class IV includes wastewater treatment plants having a design population equivalent greater than forty thousand (40,000).