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 (CONn' Stream classifications and water quality standards. Colorado

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Numeric Standards Tempo(~
Basin: Animas and Florida River Inorganic Metals Modifj~ans
Stream Seoment Descriotion DesL-. Classifications Phvsical and Biolooical ~II "0/1 Qualifietfft
Aq Life Cold 1 D.O. = 6.0 mgll NH3 (ac) = TVS S = 0.002 (~
12b. Lemon Reservoir As (acl = 50 (Treel Fe (ch) = 300 (dis) Ni (sc/ch) = TVS c::>
Recreation 1 D.O. (sp) = 7.0 mgll NH3 {chI = 0.02 B = 0.75 Cd (ac) = TVS (tr) Fe (ch) = 1000 (Trecl 58 (ac) = 10 (Tree)
Water Supply pH = 6.5-9.0 CI2 lac) = 0.019 N02 = 0.05 Cd (chI = TVS Pb (ac/ch) = TVS Ag Cac) = TVS
Agriculture F. Coli = 2001100 ml C12 (ch) = 0.011 N03 = 10 Crill lac) = 50 (Trecl Mn (ch) = 50 (disl Ag (chI = TVS ltrI
CN = 0.005 CI = 250 CrVI (ac/ch) = TVS Mn (ch) = 1000 (Tree) Zn (ac/ch) = TVS
504 = 250 Cu (ac/ch) = TVS Hg (ch) = 0.01 (Trecl
13a. Mainstem of Junction Creek, and UP Aq Ufe Cold 2 D.O. = 6.0 mg/l NH3 (ac) = TVS 5 = 0.002 As (ac/ch) = TVS Cu (ac/eh) = TVS Ni lac/eh) = lVS . All metals are
including all tributaries, from U.S. Recreation 2 D.O. (ap) = 7.0 mg/l NH3 (ch) = 0.02 B = 0.75 Cd (acl = TVS Itr) Fe (ch) = 1000 (Tree) Se lac/sh) = TVS Tree unless
Forest Boundary to confluence with Agriculture pH = 6.5-9.0 CI2 (ac) = 0.019 N02 = 0.05 Cd (chI = TVS Pb (ac/chl = TVS Ag (ac) = TVS otherwise
Animas River. F. Coli = 20001100 ml Cl2 (ch) = 0.011 Crill lac/chI = TVS Mn (ch' = 1000 (Tree) Ag (ch) = TVS (tr) noted.
CN = 0.005 CrVI (ac/chl = TVS Hg (ch) = 0.01 (Trecl Zn (ac/chl = TVS
13b. All tributaries to the Animas River, UP Aq Life Cold 2 D.O. = 6.0 mgll
including all lakes and reservoirs, from Recreation 2 D.O. (spl = 7.0 mgll
a point immediately below the Agriculture pH = 6.5-9.0 ,',
confluence with Hermosa Creek to the F. Coli = 20001100 ml "
ColoradolNew Mexico border, except
for the specific listings in Segments 10,
11. 12a, 12b, 13a and 14; all tributaries
to the Florida River, including aU lakes
and reservoirs, from the outlet of
Lemon Reservoir to the confluence
with the Animas River, except for
specific listings in Segment 12a.
14. Mainstem of Lightner Creek from Aq Life Cold 1 D.O. = 6.0 mg/l NH3 (acl = TVS S = 0.002 As (ae) = 50 (Tree) Fe (chi = 300 (dis) Ni (ac/chl = TVS
the source to the confluence with the Recreation 1 D.O. (spl = 7.0 mg/l NH3 (chi = 0.02 B = 0.75 Cd (acl = TVS (trl Fe (chi = 1000 (Tree) Se (ac) = 10 (Trecl
Animas River. Water Supply pH = 6.5-9.0 CI2 (ac) = 0.019 N02 = 0.05 Cd (ch) = TVS Pb (se/ch) = TVS Ag (acl = TVS
Agriculture F. Coli = 200/100 ml CI2 {chi = 0.011 N03 = 10 Crill {acl = 50 (Trec) Mn (ch) = 50 (disl Ag (chi = TVS ftrl
CN = 0.005 CI = 250 CrVI(ac/chl = TVS Mn (chi = 1000 (Trecl Zn (ae/ch) = TVS
S04 = 250 Cu laclchl = TVS Hg (ch) = 0.01 (Tree)
15. Mainstem of Purgatory Creek from UP Aq Life Cold 2 D.O. = 6.0 mg/t eN = 0.2 N03 = 10 As (chi = 50 Cu (chI = 1000 Hg (chi = 2 All metals are
source to Cascade, Cascade Creek. Recreation 2 D.O. (spl = 7.0 mgll S = 0.05 CI = 250 Cd {chI = 10 Fe Ich} = 0.3 (disl Se {chI = 10 Tree unless
Soulding Creek from the source to Water Supply pH = 6.5-9.0 N02 = 1.0 SO" = 250 Crill (chi = 50 Pb (ch) = 50 Ag (chi = 50 otherwise
Elbert Creek, and Nary Draw from the Agriculture f. Coli = 2000/100 ml CrVI (chi = 50 Mn (chi = 50 Zn (chi = 5000 noted,
source to Naviland Lake.