HYDRO28507

• Permit No: C1981010
• IBM Index Class Name: Hydrology
• Doc Date: 7/1/1991
• Doc Name: CDPS RATIONALE- AMENDMENT 1
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

COLORADO DEPARTMENT OF PUBLIC NEALTN MID ENVIRONMENT, Water Qualiry Cor+rrol Division
Rnrionnle -Page S, Permit No. CO-0032115
'able V-3 -- Self-Monilor~ng Results jor OuljaU 006•
No. of Reported Previous No. of
Reoortutr ConeenlmNons Perini! Limitation
Flow, MCD
JO-dny nvg 1 0.0035 Nane -
dnilvmac 7 0.0076 None -
TSS, mg/P
30-dny nvg ] 26 35 0
rLiily mac 1 32 70 0
Tnrnl Iron, mg/P
30-cloy nvg 1 1.62 3.5 0
rlrrily rnn.r 1 1.62 70 0
Sr•rrlenb[e Solids, mP/P 1 <0.1 0.5 0
Oil & Grerue, mg/P 1 None Visible l0 0
pH, s. u. 1 -/7.9/8.3 6.5-9.0 0
Torn( Dissolved Solids, mR/P 1 400 none
* this ourjn!! only discharged during the second calendar qunner. This was before limirarioru jor the ourfnll ,+~erc
converred ro past-mirtirtg. As of July 1, 1995, TSS nrrd Loral iron limirarior+s no longer apply.
Tnble V-4-- Selj-Monitoring Resuks jor Ou(jaU 008
No. of Reaoried Previous No. of
Flow, MGD
30-dny nvg 1 0.0198 Norre -
r/wily n+ru I 0.2263 None -
TSS, mg/P
30-cloy nvg 1 94.5 35 **
doily +nnx 1 160 70 **
Turnl Iron, mg/P
30-dny avg 1 3.03 3.5 0
rlrrily mru I 4.94 7.0 0
Senlenble Solids, mP/l 1 <0.1 0.5 0
Oi(& Creare, mg/P I None Visible !0 0
I,N, s. u. 1 -/8.1/8.9 6.5-9.0 0
Tnrnl Dissolved Solids, mR/P 1 220 None
Table V-S-- Self-Monitoring Results jor Ou(jaU O70

Parameter No, of
Re orhng
Piriods Reported
ConterumNons
Avr/Min/Max Previous
Permit
Limitation No. of
Limitanon
Excursions
Flarv MGD
30-r~ny nvg l 0.0025 None -
rlnily n+ax 1 0.0065 None -
ss, nrg/e
30-dny avg 1 53.5 35 **
rlrrily mar 1 90 70 **
Turn( Iron, mg/P
30-d~q~ avg 1 l.66 3.5 0
rlrrily mas 1 2.89 ZO 0
Sr•rr/cnble Solids. nrP/P 1 <0.1 0.5 0