Laserfiche WebLink
• SURFACE WATER AGRICULTURAL STANDARDS <br />Water Quality Comparison for Pond ST-1 <br />Parameter Limit Pond Analysis <br />Arsenic (ug/1) 100.0 <60.00 <br />Boron (ug/1) 750.0 60.00 <br />Cadmium (ug/1) 10.0 < 5.00 <br />Chromium (ug/1) 100.0 <10.00 <br />Copper (ug/1) 200.0 <10.00 <br />Lead (ug/1) 100.0 <40.00 <br />Manganese (mg/1)' 0.2 0.44 <br />Nickel (ug/1) 200.0 <10.00 <br />Nitrate, Nitrogen (mg/1) 100.0 0.15 <br />Nitrite, Nitrogen (mg/1) 10.0 0.01 <br />Selenium (ug/1) 20.0 < 1.00 <br />Zinc (mg/1) 2.0 0.02 <br />1: This standard is only appropriate where irrigation water is applied to soils with pH values <br />lower than 6.0 <br />• <br />Colorado Department of Public Health and Environment <br />Water Quality Control Commission <br />Surface Water Agricultural Standards <br />(Regulation No. 31 - 5 CCR 1002-31)