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' <br />� <br />' <br />' <br />u <br />1 <br />1 <br />' <br />1 <br />' <br />C J <br />1 <br />� <br />' <br />' <br />' <br />' <br />L: <br />' <br />left column below and ground water qu�lity properties are shown in the right column, for <br />comparison. (Note that the reference source used to generate the table did no# indicate <br />ground water quality for all of tMe surface water standard categories; therefore, th�re are <br />some blanks in the table). <br />Table 1: Comparison of stream water quality in the North Fork to the ground water quality in the <br />Ogallala FormBtion. <br />Surface Water �lassification and Associated In- ��Ported Ground Water Quality <br />Stream or Drinking Water Standards �'� Properties in Ogal2ala�Formatiqn - North <br />Classifications: <br />Aquatic Life -- Cold Water 1 N/A <br />Reereation -- 1 a N/A <br />Wet�r Supply -- Agriculture N/A <br />Physical and Biological Standards: <br />Dissolv�d Oxygen = 6.0 ►ng/1 0.2 to $.6 mg/I; 50°fo > 5.4 mg/l <br />pH=6.5-9.0 7.0-7.9 <br />Fecal Colifarms = 200/100 ml <br />� Coti = 126/100 ml <br />Inorganic Standards: <br />Ammonia (acute) = Table Value Standard (NS) <br />Arrimonia (ehronic� = 0.02 mg/I 0.01 to 0.244 mg/l; 50% < 0.015 mg/I <br />Chlorine (acute) = 0.019 mg/l <br />Chlprine (chronic) = 0.011 mg/I <br />Cyanide = �.005 mg/I <br />Sulfide = 0.002 mg>I <br />Boron = 0.75 mg/I Dissalved boron: 20 —13p pg/I <br />Nitrate NO = 0.05 mg/I C 0.01 mg/I <br />Nitrate NOa =10 mg/I 1.1 to 8.9 mg/I <br />Chlqride = 250 mg/I 1.4 to �9.5 mg/I <br />Sulfa#e = 250 mg/I 5.5 to 95.7 mg/l <br />Total pissplved Solids = 500 mg/I 219 to 461 mg/I <br />Metal Standards: <br />Arsenic (acute) = 50 pg/I (total recoverable) Dissolved arsenic: <5-12 pg/I <br />G�dmiurri (acute) = TVS (trout) <br />C�dmium (chronic) = NS <br />Trival�nt Chromium (acute) = 50 Ng/1(total) <br />Wexavalent Chramium (acut�/ehronic) � T�S <br />Copper (aeut�/chronic) = 1.3 mg/I Dissolved copper: <5-35 �g/1 <br />Iron (ehronic) = 300 Wg/I Dissolved iron: <3-60 ug/l <br />Iron (chronic) =9000N9/I (total recov�rabls) <br />Le�d (�cute/chronic) _`IV� (dissolved 15pg/I) Dissolved l�ad <5 pg/I <br />Manganese (acute/chronic) = NS (disso#ved SQyg/I) Dissolved m�nganese <3-40 pg/I <br />11Aanganese (chrpnic) = WS (dissqlv�d) <br />� <br />� <br />