WSP05781

• File Number: 8200.750
• Description: San Juan River General
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 4/1/1994
• Author: Robin Abell
• Title: San Juan River Basin - Water Quality and Contaminants Review - Volume I - April 1994
• Water Supply Pro - Doc Type: Report/Study

Table 15 (CONT); Stream classifications and water quality standards, Colorado

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Numeric Standards Temporary
Basin: Animas and Rorida River Inorganic Metals Modifications
Stream Seament DescriDtion Desio Classifications Ph....icaland Biolonical -II '-/1 Qualifiers
9. Mainstem of Clear Creek from the UP Aq Ufe Cold 1 D.O. = 6.0 mgll NH3 (ac) = lVS S = 0.002 As (ch) = 50 Fe (ch) = 5000 Se (ch) = 20 All metals are
source to the confluence with South Recreation 2 D.O. (sp) = 7.0 mgll NH3 (chi = 0.02 B = 0.75 Cd (ch) = 0.4 Ph (ch) = 4 Aglchl =0.1 Tree unless
Mineral Creek. Agriculture pH = 6.5-9.0 Cl2 {ael = 0.019 N02 = 0.05 Crlll (chI = 100 Mn (chi = 1000 Zn (chi = 480 otherwise
F. Coil = 20001100 ml C12 (chi = 0.011 CrVI (ch) = 25 Hg tchl = 0.05 noted.
CN = 0.005 Cu(chl = 150 Ni (ch) = 50
10. Mainstem of the Florida River from Aq Ufe Cold 1 D.O. = 6.0 mg/l NH3 (ac) = lVS 5 = 0.002 As (ae) = 50 (Tree) Fe (chi = 300 ldis) Ni (ac/ch) = lVS
the boundary of the Weminuehe Recreation 1 D.O. Isp) = 7.0 mgn NHs (ch) = 0.02 B = 0.75 Cd (ac) = lVS (trl Fe (ch) = 1000 (Treel Se (ac) = 10 (Tree)
Wilderness Area to the Florida Water Supply pH = 6.5-9.0 CI2 (ac) = 0.019 N02 = 0.05 Cd (ch) = TVS Pb (ac/ch) = TVS Ag (ac) = TVS
Farmers Canal Headgate, except for Agriculture F. Coli = 2001100 ml C12 (ch) = 0.011 NOs = 10 Crill (ac) = 50 (Tree) Mn (ch) = 50 (dis) Ag (chi = TVS (tr)
the specific listings in Segment 1 2b. CN = 0.005 CI = 250 erVI (ac/ch) = TVS Mn (ch) = 1000 (Tree) Zn (ac/chl = TVS
S04 = 250 Cu (ac/ch) = TVS Hg (chi = 0.01 (Trec)
11. Mainstem of the Rorida River from Aq life Cold 1 D.O. = 6.0 mg/l NH3 (ac) = TVS S = 0.002 As (ac) = 50 (Trecl Fe (chI = 300 (disl Ni tac/ch) = TVS
the Florida Farmers Canal Headgate Recreation 1 D.O. (sp) = 7.0 mgll NH3 (chI = 0.02 B = 0.75 Cd (ac) = lVS (tr) Fe (chI = 1000 (Tree) Se (ac) = 10 (Tree)
to the confluence with the Animas Water Supply pH = 6.5-9.0 CI2 (ac) = 0.019 N02 = 0.05 Cd (ch) = TVS Pb (ac/chl = TVS Ag (ac) = TVS
River. Agriculture F. Coli = 2001100 ml Cl2 (ch) = 0.011 NOs = 10 Crill (ac) = 50 (Trecl Mn {chI = 50 (dis) Ag (ch) = TVS (tr)
CN = 0.005 CI = 250 CrVI (ac/chl = TVS Mn (ch) = 1000 (Trecl Zn (ac/ch) = TVS
504 = 250 Cu (ac/chl = TVS Hg (ch) = 0.01 (Trec)
12a. - - All tributaries to the Animas , Aq-life Cold-l D.O. = -6.0 mg/l -NH3 lac) = TVS S = 0.002 A$ (ael' =--50 (Trec) Fe-(ch)-= 3O().(dis) Ni (ac/ch) = TVS- - -
River, including all lakes and reservoirs Recreation 1 D.O. (sp) = 7.0 mgll NH3 lch) = 0.02 B = 0.75 Cd (acl = TVS (tr) Fe (ch) = 1000 (Tree) Se (ac) = 10 (Trec)
from a point immediately above the Water Supply pH = 6.6--9.0 CI2 lac) = 0.019 N02 = 0.05 Cd (ch) = lVS Pb (ac/ch) = TVS Ag (acl = TVS
confluence with Elk Cr. to a point Agriculture F. Coli = 2001100 ml Cl2 (ch) = 0.011 N03 = 10 Crill {acl = 50 (Tree) Mn (chi = 50 (dis) Ag (chI = lV5 (tr)
immediately below the confluence with CN = 0.005 CI = 250 CrVI (ae/ch) = TVS Mn (ch) = 1000 (Trec) Zn (ac/ch) = lVS
Hermosa Cr. except for specific 504 = 250 Cu (ac/ch) = TVS Hg {chl = 0.01 (Tree)
listings in Segment 15. All tributaries
to the Florida River including all lakes
and reservoirs from the source to the
outlet of lemon Reservoir except the
specific listing in Segment 1.
Mainstems of the Red and Shearer
Creeks from their sources to their
confluences with the Florida River.