Indiana Administrative Code
Title 327 - WATER POLLUTION CONTROL DIVISION
Article 5 - INDUSTRIAL WASTEWATER PRETREATMENT PROGRAMS AND NPDES
Rule 2.1 - Combined Sewer Overflow Public Notification
Section 2.1-3 - Definitions

Universal Citation: 327 IN Admin Code 2.1-3

Current through September 18, 2024

Authority: IC 13-14-1-5; IC 13-14-8; IC 13-14-9; IC 13-18-4-1

Affected: IC 13-11-2-158; IC 13-11-2-265; IC 13-18-3

Sec. 3.

The following definitions apply throughout this rule:

(1) "Affected public" means those persons who may be exposed to waterborne pathogens through direct contact with or ingestion of water affected by a combined sewer overflow discharge and is limited to:

(A) residents on or adjacent to affected waters;

(B) public and private schools on or adjacent to affected waters;

(C) owners or operators of facilities that provide access to or recreational opportunities in or on affected waters; and

(D) owners or operators of public drinking water systems with surface intakes in or on affected waters.

(2) "Affected waters" means those waters where the E. coli criteria may be exceeded due to a combined sewer overflow discharge.

(3) "Combined sewage" means a combination of wastewater, including domestic, commercial, or industrial wastewater and storm water transported in a combined sewer.

(4) "Combined sewer overflow community" or "CSO community" means a recipient of a National Pollutant Discharge Elimination System (NPDES) permit that includes one (1) or more combined sewer overflow outfalls.

(5) "Combined sewer overflow discharge" or "CSO discharge" means the discharge of combined sewage from an overflow point listed in an NPDES permit.

(6) "Combined sewer overflow outfall" or "CSO outfall" means a structure that:

(A) conveys combined sewage into a receiving waterbody; and

(B) is listed in an NPDES permit.

(7) "Combined sewer system" means a system that:

(A) is designed, constructed, and used to receive and transport combined sewage to a publicly owned wastewater treatment plant; and

(B) may contain one (1) or more combined sewer overflow outfalls that discharge sewage when the hydraulic capacity of the wastewater treatment plant, combined sewer system, or part of the system is exceeded as a result of a wet weather event.

(8) "Commissioner" means the commissioner of the department of environmental management.

(9) "Department" means the department of environmental management except as specifically referenced in this rule.

(10) "Person" has the meaning set forth at IC 13-11-2-158.

(11) "Waters of the state" has the meaning set forth for "waters" at IC 13-11-2-265.

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