Pennsylvania Code & Bulletin

• No statutes or acts will be found at this website.

The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 54 Pa.B. 2336 (April 27, 2024).

25 Pa. Code § 93.3. Protected water uses.

§ 93.3. Protected water uses.

 Water uses which shall be protected, and upon which the development of water quality criteria shall be based, are set forth, accompanied by their identifying symbols, in Table 1:


SymbolProtected Use
Aquatic Life
CWF Cold Water Fishes—Maintenance or propagation, or both, of fish species including the family Salmonidae and additional flora and fauna which are indigenous to a cold water habitat.
WWF Warm Water Fishes—Maintenance and propagation of fish species and additional flora and fauna which are indigenous to a warm water habitat.
MF Migratory Fishes—Passage, maintenance and propagation of anadromous and catadromous fishes and other fishes which move to or from flowing waters to complete their life cycle in other waters.
TSF Trout Stocking—Maintenance of stocked trout from February 15 to July 31 and maintenance and propagation of fish species and additional flora and fauna which are indigenous to a warm water habitat.
Water Supply
PWS Potable Water Supply—Used by the public as defined by the Federal Safe Drinking Water Act, 42 U.S.C.A. §  300F, or by other water users that require a permit from the Department under the Pennsylvania Safe Drinking Water Act (35 P. S. § §  721.1—721.18), or the act of June 24, 1939 (P. L. 842, No. 365) (32 P. S. § §  631—641), after conventional treatment, for drinking, culinary and other domestic purposes, such as inclusion into foods, either directly or indirectly.
IWS Industrial Water Supply—Use by industry for inclusion into nonfood products, processing and cooling.
LWS Livestock Water Supply—Use by livestock and poultry for drinking and cleansing.
AWS Wildlife Water Supply—Use for waterfowl habitat and for drinking and cleansing by wildlife.
IRS Irrigation—Used to supplement precipitation for crop production, maintenance of golf courses and athletic fields and other commercial horticultural activities.
Recreation and Fish Consumption
B Boating—Use of the water for power boating, sail boating, canoeing and rowing for recreational purposes when surface water flow or impoundment conditions allow.
F Fishing—Use of the water for the legal taking of fish. For recreation or consumption.
WC Water Contact Sports—Use of the water for swimming and related activities.
E Esthetics—Use of the water as an esthetic setting to recreational pursuits.
Special Protection
HQ High Quality Waters
EV Exceptional Value Waters
N Navigation—Use of the water for the commercial transfer and transport of persons, animals and goods.


   The provisions of this §  93.3 amended under sections 5(b)(1) and 402 of The Clean Streams Law (35 P. S. § §  691.5(b)(1) and 691.402); and section 1920-A of The Administrative Code of 1929 (71 P. S. §  510-20).


   The provisions of this §  93.3 amended February 15, 1985, effective February 16, 1985, 15 Pa.B. 544; amended July 16, 1999, effective July 17, 1999, 29 Pa.B. 3720; amended November 17, 2000, effective November 18, 2000, 30 Pa.B. 6059; amended May 15, 2009, effective May 16, 2009, 39 Pa.B. 2523. Immediately preceding text appears at serial pages (309705) to (309706) and (272017).

Cross References

   This section cited in 25 Pa. Code §  92a.82 (relating to public notice of permit applications and draft permits); 25 Pa. Code §  93.4c (relating to implementation of antidegradation requirements); 25 Pa. Code §  245.1 (relating to definitions); and 25 Pa. Code §  287.1 (relating to definitions).

No part of the information on this site may be reproduced for profit or sold for profit.

This material has been drawn directly from the official Pennsylvania Code full text database. Due to the limitations of HTML or differences in display capabilities of different browsers, this version may differ slightly from the official printed version.