A water quality standard is a law or regulation which consists of the beneficial use(s) of a waterbody or segment therein, and the water quality criteria which are necessary to protect those uses. WQS also
contain an antidegradation policy. In this section we present an antidegradation policy, beneficial uses, and narrative and numeric criteria for the Pyramid Lake Paiute Tribal Reservation. Both the narrative and numeric criteria apply to Pyramid Lake and the lower Truckee River while only the narrative criteria apply to intermittent creeks tributary to these waterbodies.