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Outfal[ Wastewater Location <br /> Source* D'esignhlion <br />OOIA SR Filll <br />002 SR Fill Z <br />003 SR Fi113 <br />} 004A SR Ftl[ 4 <br />005 SR Fi115 <br />006A SR Fi116 <br />007A SR Fi117 <br />008 SR Ft118 <br />009 SR Fi[19 <br /> Tab[e77-1 -Discharge Points <br />A vg Flow, Daily Max 10 yr/24-hr Event <br /> MGD Flow, MGD Vol MG <br />0 0 10.3 <br />0 0 3.5 <br />0 0 2.5 <br />0 0 2.3 <br />0. 0 11.8 <br />0 0 1.1 <br />0 0 2.0 <br />0 0 3.1 <br />0 0 <br />009A SR Fi119 0 0 <br />OlOA SR CoalLoadout 0 0 <br />014 SR Ft[12-1 (2-2) 0 0 <br />015 SR North P2 (2-3) 0 0 <br />016 SR P3 (3-1) 0 0 <br />017 SR Fil[ 4-2, P4 (4-I) 0 0 <br />018 SR Fill4-I, P4 (4-3) 0 0 <br />019 SR PS, Fi115-1 (S-1) 0 0 <br />020 SR P6 Fill 6-1 (6-1) 0 0 <br />021 SR South P2 (7-I) 0 0 <br />022 Sk North P7 (7-2) 0 0 <br />023 Sg Fill7-1 (7-3) 0 0 <br />014 SR Fill 7-2 (7-4) 0 0 <br />025 SR P8, Fill8-1 (8-1) 0 0 <br />026 SR Pond 8-2 (8-2) 0 0 <br />Outfafls in 6o(d are existing au(falls from previous permit, see previous permit and rationale forfurther details. <br />MW means mine water, SR means surface runoff <br />•• Area served is reclaimed, qualifies as apost-mining area <br />1.2 <br />0.5 <br />0.7 <br />/.9 <br />1.1 <br />0.8 <br />/.2 <br />1.1 <br />L5 <br />6.5 <br />2.1 <br />Receiving Water <br />Jeff Canyon <br />Jeff Canyon <br />Jeff Canyon <br />Jeff Canyon <br />Jeff Canyon <br />Jeff Canyon <br />Jeff Canyon <br />Jeff Canyon <br />Jeff Canyon <br />Jeff Canyon <br />Lorencito Canyon <br />Lorencito Canyon <br />Lorencito Canyon <br />Lorencito Canyon <br />Lorencito Canyon <br />Lorencito Canyon <br />Lorencito Canyon <br />Lorencito Canyon <br />Lorencito Canyon <br />p.q Lorencito Canyon <br />2./ Lorencito Canyon <br />0,9 Lorencito Canyon <br />2.5 Lorencito Canyon <br />0.4 Lorencito Canyon <br />Lorencito Coal Company (LCC) has submitted a permit revision request proposing additional mine area for the Lorencito Canyon that includes <br />/4 new sedimentation ponds (2-2, 2-3, 3-/, 4-!, 4-3, 5-I, 6-1, 7-I, 7-2, 7-3, 7-4, 8-/, 8-2, and OIOA (new loadout location)) as shown in figure <br />2. LCC has also requested the elimination of two ponds from Jeff Canyon (001 and 007) and replaced them with ponds OOIA, 004A, 006A, <br />007A, and 009A. In addition, outfa11010 has been replaced by OIOA as mentioned previously for the new loadout location. <br />IIL RECEIVING STREAM <br />A. Identiftcation, Classiftcation, and Standards <br />I. IdentiTcation: Discharges to Jeff Canyon, Lorencito Canyon- all tributaries to the Purgatoire River which are within segment 6, <br />Lower Arkansas River sub-basin, Arkansas River basin. <br />2. Classification: Segment 6 is classified for the following uses: Use Protected; Recreation, Class 2; Aquatic Life, Class 2 (cold); <br />Agriculture. <br />3. Numeric Standards: The standards which have been assigned in accordance with the classifications for segment 6 are found in <br />the Classifications and Numeric Standards for the Arkansas River Basin (5 CCR 1002-32), last update effective June 30, 2001. <br />Included are standards for dissolved oxygen (6.0 mg/l, 7.0 mg/1 spawning), pH (6.5-9.0 s.u.) and fecal colifarm (2000/100 ml). <br />There are no metals or other aquatic life standards for this segment. <br />VL TERMS AND COND/TIONS OF PERMlT <br />A. Determination of Effluent Limitations <br />I. Effluent Limitations: In developing suitable effluent limitations, the Division must review all applicable standards and regulations <br />and apply those that are more stringent. This review includes, but is not limited to.~ the water quality standard based effluent <br />limitations, federal guidelines and standards (40 CFR Subchapter N) and State Effluent Regulations (5 CCR 1002-62). Such a <br />review has been done for this facility. The following limitations will apply. <br />