Pennsylvania Code
Title 25 - ENVIRONMENTAL PROTECTION
Part I - Department of Environmental Protection
Subpart C - Protection of Natural Resources
Article II - Water Resources
Chapter 93 - WATER QUALITY STANDARDS


Current through Register Vol. 55, No. 13, March 29, 2025

The provisions of this Chapter 93 issued under sections 5 and 402 of The Clean Streams Law (35 P.S. §§ 691.5 and 691.402), unless otherwise noted.

This chapter cited in 25 Pa. Code § 16.1 (relating to general); 25 Pa. Code § 23.1 (relating to petitions); 25 Pa. Code § 71.21 (relating to content of official plans); 25 Pa. Code § 77.527 (relating to sedimentation controls); 25 Pa. Code § 78.60 (relating to discharge requirements); 25 Pa. Code § 78a.15 (relating to application requirements); 25 Pa. Code § 78a.60 (relating to discharge requirements); 25 Pa. Code § 83.281 (relating to identification of agricultural operations and acreage); 25 Pa. Code § 83.293 (relating to determination of nutrient application rates); 25 Pa. Code § 83.602 (relating to definitions); 25 Pa. Code § 86.6 (relating to extraction of coal incidental to government-financed construction or government-financed reclamation projects); 25 Pa. Code § 87.102 (relating to hydrologic balance: effluent standards); 25 Pa. Code § 87.103 (relating to precipitation event exemption); 25 Pa. Code § 87.104 (relating to stream channel diversions); 25 Pa. Code § 87.108 (relating to hydrologic balance: sedimentation ponds); 25 Pa. Code § 88.92 (relating to hydrologic balance: effluent standards); 25 Pa. Code § 88.93 (relating to hydrologic balance: precipitation event exemption); 25 Pa. Code § 88.187 (relating to hydrologic balance: effluent standards); 25 Pa. Code § 88.188 (relating to hydrologic balance: precipitation event exemption); 25 Pa. Code § 88.292 (relating to hydrologic balance: effluent standards); 25 Pa. Code § 88.293 (relating to hydrologic balance: precipitation event exemption); 25 Pa. Code § 89.52 (relating to water quality standards, effluent limitations and best management practices); 25 Pa. Code § 89.53 (relating to precipitation event exemption); 25 Pa. Code § 90.102 (relating to hydrologic balance: water quality standards, effluent limitations and best management practices); 25 Pa. Code § 90.103 (relating to precipitation event exemption); 25 Pa. Code § 90.105 (relating to stream channel diversions); 25 Pa. Code § 90.202 (relating to general requirements); 25 Pa. Code § 91.15 (relating to basin-wide compliance); 25 Pa. Code § 91.27 (relating to general water quality management permit); 25 Pa. Code § 92a.11 (relating to other chapters applicable); 25 Pa. Code § 92a.12 (relating to treatment requirements); 25 Pa. Code § 92a.23 (relating to NOI for coverage under an NPDES general permit); 25 Pa. Code § 92a.27 (relating to sewage discharges); 25 Pa. Code § 92a.32 (relating to stormwater discharges); 25 Pa. Code § 92a.54 (relating to general permits); 25 Pa. Code § 95.2 (relating to effluent standards for industrial wastes); 25 Pa. Code § 95.4 (relating to extensions of time to achieve water quality based effluent limitations); 25 Pa. Code § 95.10 (relating to treatment requirements for new and expanding mass loadings of Total Dissolved Solids (TDS)); 25 Pa. Code § 96.3 (relating to water quality protection requirements); 25 Pa. Code § 96.8 (relating to use of offsets and tradable credits from pollution reduction activities in the Chesapeake Bay Watershed); 25 Pa. Code § 102.4 (relating to erosion and sediment control requirements); 25 Pa. Code § 102.8 (relating to PCSM requirements); 25 Pa. Code § 103.1 (relating to definitions); 25 Pa. Code § 105.12 (relating to waiver of permit requirements); 25 Pa. Code § 105.14 (relating to review of applications); 25 Pa. Code § 105.15 (relating to environmental assessment); 25 Pa. Code § 105.16 (relating to environmental, social and economic balancing); 25 Pa. Code § 105.17 (relating to wetlands); 25 Pa. Code § 105.113 (relating to releases); 25 Pa. Code § 245.235 (relating to environmental assessment); 25 Pa. Code§ 250.1 (relating to definitions); 25 Pa. Code § 250.309 (relating to MSCs for surface water); 25 Pa. Code § 250.406 (relating to relationship to surface water quality requirements); 25 Pa. Code § 269a.50 (relating to environmental assessment considerations); 25 Pa. Code § 271.127 (relating to environmental assessment); 25 Pa. Code § 271.902 (relating to permits and direct enforceability); 25 Pa. Code § 273.119 (relating to alternative water supply information); 25 Pa. Code § 273.245 (relating to water supply replacement); 25 Pa. Code § 277.119 (relating to alternative water supply information); 25 Pa. Code § 277.245 (relating to water supply replacement); 25 Pa. Code § 287.1 (relating to definitions); and 25 Pa. Code § 287.127 (relating to environmental assessment).

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