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HYDRO24583
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Entry Properties
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 6. Permit No. CO-0027154 <br />V. PERFORMANCE HISTORY <br />A. Monitoring Data (continued) <br />Table V-4 -- Self-Monitoring Results For Outfall 006 (3/90 - 11/91, 7 periods*) <br />Parameter Reported Previous No, of <br />(all 30-day avg. Concentrations Permit Violations <br />unless noted) Avg/Min/Max Limit <br />Flow, MGD 0.01/K0.0001/0.06 none - <br />pH, s.u. (minimum'- maximum) -/7.7-8.7 6.5-9.0 0 <br />TSS, mg/1 2/10/20 35 0 <br />Conductivity, umho/cm 2835/1360/4310 none - <br />Total Iron, mg/1 0.64/0.04/1.97 3.5 0 <br />* Intermittent discharge during 3/90, 4/90, 2/91, 3/91, 6/91, 8/91, 11/91) <br />K means "less than" <br />Table V-5 -- Self-Monitoring Results For Outfall 008 (4/91 - 5/91) <br />Parameter Reported Previous No. of <br />(all 30-day avg. Concentrations Permit Violations <br />unless noted) Avg/Min/Max Limit <br />Flow, MGD 0.0306/K0.0005/0.0612 none - <br />pH, s.u. (minimum - maximum) -/8.2/8.7 6.5-9.0 0 <br />TSS, mg/1 29/24/34 35 1 <br />Settleable Solids, mg/1 K0.2/K0.2/K0.2 0.5 0 <br />Total Iron, mg/1 0.68/0.48/0.88 3.5 0 <br />K means "less than" <br />Table V-6 -- Self-Monitoring Results For Outfall 009 (4/90 - 6/91, 5 periods*) <br />Parameter Reported Previous No, of <br />(all 30-day avg. Concentrations Permit Violations <br />unless noted) Avg/Min/Max Limit <br />Flow, MGD 0.0425/0.0009/0.0796 none - <br />pH, s.u. (minimum - maximum) -/7.9/8.8 6.5-9.0 0 <br />Settleable Solids, mg/1 K0.2/K0.2/K0.2 0.5 0 <br />Conductivity, umho/cm 2730/2730/2730 none - <br />* Intermittent discharge during 4/90, 5/90, 4/91, 5/91, 6/91) <br />K means "less than" <br />
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