EPA · discharge permits by pollutant and parameter

Poly[hexamethylenebiguanide] hydrochloride

• 16Permits carrying a limit
• 1With a recorded exceedance
• 1States

EPA identifies this parameter by code 51731. A permit listed here carries a numeric limit on poly[hexamethylenebiguanide] hydrochloride in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.

By state

• Maryland16

By watershed

The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on poly[hexamethylenebiguanide] hydrochloride.

• Subbasin 020600035

Other pollutants

• Whole Effluent Toxicity [WET] - M. beryllina 37
• Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia) 42
• Whole Effluent Toxicity [WET] - P. promelas 151
• Precipitation volume 331
• Fish feed used efficiency 12
• Flow, in conduit or thru treatment plant 45
• Critical Dilution 116
• Screen Area Blockage 20
• Intake Velocity Excusions 20
• Fish/Shellfish Impinged 20
• Total Production - volume 4
• Iron, ferrous - present 3
• Volume, total 72
• Percent Base Saturation 11
• Hydroxide 11
• Radium, total 4
• Benzene, calculated limit 8
• Lead, calculated limit 8
• Phenol, calculated limit 8
• Thallium, calculated limit 8

Permits