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HYDRO24583
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Last modified
8/24/2016 8:44:36 PM
Creation date
11/20/2007 4:48:57 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981071
IBM Index Class Name
Hydrology
Doc Date
3/25/1993
Doc Name
PERMIT RENEWAL NPDES PERMIT CO-0027154 CYPRUS YAMPA VALLEY COAL CORP
From
CYPRUS YAMPA VALLEY
To
DMG
Permit Index Doc Type
NPDES
Media Type
D
Archive
No
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COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division <br />Rationale - Page 5. Permit No. CO-0027154 <br />V. PERFORMANCE HISTORY <br />A. Monitoring Data (continued) <br />Table V-2 -- Self-Monitoring Results For Outfall 005 (1/90 - 3/92) <br />Parameter Reported Previous No. of <br />(all 30-day avg. Concentrations Permit Violations <br />unless noted) Avg/Min/Max Limit <br />Flow, MGD 0.106/0.013/0.775 none - <br />pH, s.u. (minimum - maximum) -/7.5/8.9 6.5-9.0 0 <br />TSS, mg/1 8.5/2/22.7 35 0 <br />Conductivity, umho/cm 3075/2375/4200 none - <br />TR Copper, mg/1 0.002/K0.001/0.01 0.022 0 <br />TR Iron, mg/1 0.198/0.007/1.422 1.0 1 <br />TR Manganese, mg/1 0.167/0.013/0.426 Report* - <br />TR Silver, mg/1 0.00002/K0.0001/0.00016 0.0001 1 <br />TR Zinc, mg/1 0.011/K0.01/0.058 0.05 1 <br />K means "less than" <br />* Reporting was required for calculation of the limi tation that applied at <br />outfall 019 - equal to the flow-weighted mean of t he results from outfalls <br />001, 005 and 007. <br />Table V-3 -- Self-Monitoring Results For Outfall 007 (1/90 - 3/9 2) <br />Parameter Reported Previous No. of <br />(all 30-day avg. Concentrations Permit Violations <br />unless noted) Avg/Min/Max Limit <br />Flow, MGD 0.084/0.00035/0.466 none - <br />pH, s.u. (minimum - maximum) -/7.2/8.7 6.5-9.0 0 <br />TSS, mg/1 13/1.5/84.5 35 1 <br />Conductivity, umho/cm 3755/1170/4573 5150 0 <br />TR Copper, mg/1 0.002/K0.0001/0.014 0.022 0 <br />TR Iron, mg/1 O.1Bj0.05/0.87 1.0 0 <br />TR Manganese, mg/1 0.64/0.0125/5.6 Report* - <br />TR Zinc, mg/1 0.014/K0.01/0.065 0.05 1 <br />* See section V.B. <br />K means "less than" <br />* Reporting was required for calculation of the limitation that applied at <br />outfall 019 - equal to the flow-weighted mean of the results from outfalls <br />001, 005 and 007. <br />
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