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Water Testing and Treatment Approaches for improving water quality for private wells Presented by Gary Hall, Extension Agent El Paso County.

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Presentation on theme: "Water Testing and Treatment Approaches for improving water quality for private wells Presented by Gary Hall, Extension Agent El Paso County."— Presentation transcript:

1 Water Testing and Treatment Approaches for improving water quality for private wells Presented by Gary Hall, Extension Agent El Paso County

2 Overview Diagnosing water quality problems Diagnosing water quality problems Water sampling and interpretation Water sampling and interpretation Water quality standards Water quality standards Common water quality problems Common water quality problems Water quality treatment options Water quality treatment options

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4 Alluvial aquifers are shown by dotted white polygons Bedrock aquifers are labeled either Lower Dawson or Denver Proposed sample sites are the magenta colored flags Flags with a colored circle next to them are sites where we can use Garys Network Flags not near a circle will need to be scouted out 1 2 3 11 4 10 9 5 8 7 6 12 16 15 1413

5 Example Water Test Report Results Recommended Limit Conductivity347 µmhos/cm (E.C. x 1,000,000) µmhos/cm (E.C. x 1,000,000) pH7.1 6.5 to 8.5 mg/lmg/l Calcium38.2N/A Magnesium10.7N/A Sodium29.720 Potassium2.6N/A Carbonate<0.1N/A Bicarbonate111N/A Chloride25.2250 Sulfate77.6250 Nitrate-Nitrogen5.510 Total Alkalinity 91400 Total Hardness 139300 Total Dissolved Solids 295500 IronManganese < 0.01 0.03 < 0.01 0.03 <0.01 0.05 <0.01 0.05 COMMENTS: Sodium exceeds the EPA suggested limit for domestic use. Red- primary standard Blue- secondary standard Black – other constituents

6 Water pH Measure of intensity of alkali or acid contained in the water. Measure of intensity of alkali or acid contained in the water. Pure water is 7.0, Recommend 6.5-8.5 Pure water is 7.0, Recommend 6.5-8.5 Lower than 5.0 may cause excessive corrosion, bitter metallic taste Lower than 5.0 may cause excessive corrosion, bitter metallic taste Higher than 8.5 means there may be lots of sodium bicarbonate in the water, slippery feel, soda taste Higher than 8.5 means there may be lots of sodium bicarbonate in the water, slippery feel, soda taste

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8 Alluvial aquifers are shown by dotted white polygons Bedrock aquifers are labeled either Lower Dawson or Denver Proposed sample sites are the magenta colored flags Flags with a colored circle next to them are sites where we can use Garys Network Flags not near a circle will need to be scouted out 1 2 3 11 4 10 9 5 8 7 6 12 16 15 1413

9 Thank You The following sources can provide more information: The following sources can provide more information: –your local extension office www.coopext.colostate.edu/elpaso www.coopext.colostate.edu/elpaso Gary Hall 636-8934, gary.hall@colostate.edu Gary Hall 636-8934, gary.hall@colostate.edu –the CSU water website: www.csuwater.info


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