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Home My WebLink About1995-6-14 - 20 Brookfield Street - Well Water Potability TestAVO EE ENV RON/VENTAE LABORATORY NC Lawton S. Averill - Director 100 Northwest Drive Plainville, CT 06062 Alan G Jacobs - Co -Director CT Laboratory ID No, PH-0513 (203) 747-0676 FAX (203) 747-9264 CT ONLY 1-800-870-7904 NH Laboratory ID No, 2506 MA Laboratory ID No. M-CT029 ME Laboratory ID No. CT029 REPORT ON EXAMINATION OF WATER To Client: J&A Construction Date Reported: June 14, 1995 23 Hillcrest Dr. Date/Time Collected: June 12, 1995 10:00 a.m. Avon, CT 06001 Date/Time Received: June 12, 1995 12:09 p.m. SAMPLE DATA: Lab Sample Number: AEL95006353 Collected By: Jack Tarlowski Sample Description: Groundwater from 340 ft Drilled Well Sampling Point: Kitchen Faucet Address of Supply: 20 Brookfield St., South Windsor, CT Owner: John Stigliano LABORATORY FINDINGS: < = Less Than See Reverse of Sheet and/or Attachments for Results Interpretation. State of CT DOH Analysis For Results Units Recommended Limits Alkalinity as CaCO3 51 mg/L Color 30 units 15 Odor 0-None units 2 pH 7.5 units 6.5 - 9.0 Turbidity 9 NTU 5 Total Coliform by Presence/Absence PRESENT per 100 mL ABSENT Conclusions: The water sample as received is NON -POTABLE because the bacteriological test indicates the presence of coliform organisms. The water quality must be viewed with suspicion until the source of the coliform bacteria is found and eliminated. There are several possible reasons for the presence of these organisms in the sample including poor sampling point and or sampling technique; poor protection of the well against accidental or continuous contamination from surface water, or poor location of the well with respect to sewage disposal systems or entrance of surface water. The location and protection of the source of supply should be investigated and construction deficiencies should be corrected after which the source and pumps and piping should be disinfected. Another sample should be collected after pumping out the system and dissipation of all traces of chlorl F The water should not be used for domestic purposes without boiling until it is shovGn to be of satisfactory quality. The significance of the test results are shown on the reverse side andf * attach ent. J� t Averill Environmental Labora,p6ry, Inc. AVERILL ENVIRONMENTAL LABORATORY INC INTERPRETATION OF LABORATORY RESULTS When evaluating water quality, all analytical and sanitary data concerning the source of the water supply must be properly interpreted. The following list is presented as a guideline only. The guidelines are those adopted by the State of Connecticut, Department of Health and Addiction Services (CT DOHAS). The limits do not necessarily mean that water is harmful if the limit is exceeded, unless otherwise noted. ALKALINITY Alkalinity is a measure of alkaline substances such as hydroxides, carbonates, and bicarbonates with the capacity for neutralizing acids. There is no CT DOHAS recommended limit. Refer to pH explanation for further information. CHLORIDE (CT DOHAS limit: 250 mg/L) Chlorides are an indicator of sewage pollution if found in concentrations higher than normal for the area. Normal chloride concentrations vary with distance from bodies of salt water. COLOR (CT DOHAS limit: 15 units) Color may result from iron, manganese, humus, plankton, or wastewater. A value above the limit causes the water to be considered aesthetically unacceptable. IRON (CT DOHAS limit: less than 030 mg/L) An iron value above 0.30 mg/L, but below 1.0 mg/L, may cause discoloration of the water and staining of the laundry and plumbing fixtures. A value above 1.0 mg/L will cause discoloration of the water and staining of the laundry and plumbing fixtures. The staining is a reddish -brown color. MANGANESE (CT DOHAS limit: less than 0.050 mg/L) A manganese value above 0.050 mg/I, but below 0.L% mg/L, may cause discoloration of the water and staining of the laundry and plumbing fixtures. A value above 0.150 mg/L will cause discoloration of the water and staining of the laundry and plumbing fixtures. The staining is brownish -black color. NITROGEN CONSTITUENTS CT DOHAS limits: Ammonia Nitrogen - No limit, Nitrate + Nitrite Nitrogen - 10 mg/L, Nitrite Nitrogen - 1.0 mg/L These parameters may indicate sewage or other nitrogenous contamination such as fertilizers or animal wastes. Nitrate plus Nitrite Nitrogen in excess of 10 mg/L is potentially dangerous, particularly for infant feeding. ODOR (CT DOHAS limit: 2 units) Odor is a subjective evaluation of the acceptability of the water. A value above the limit causes the water to be considered aesthetically unacceptable. SODIUM (CT DOHAS limit: 28 mg/L) People on low salt diets should consult with their physician regarding sodium intake through the water supply if the value exceeds 28 mg/L. HARDNESS CT DOHAS limits: Less than 50 mg/L is sots, 50 - 120 mg/L is medium hard, greater than 120 mg/L is hard. Hardness is primarily a measure of calcium and magnesium in water and is related to the soap consuming power of the water. Hard water may cause scaling of hot water pipes. TURBIDITY (CT DOHAS limit: 5.0 NTU) This test measures the light scattering property of solids in the water. A value above the limit causes the water to be considered aesthetically unacceptable. pH (Cr DOHAS range: 6.5 - 9.0 units) The pH defines the hydrogen ion concentration in water. A low pH indicates the water may be corrosive toward pipes. The corrosivity of the water can be determined when the pH value is considered with the alkalinity value. A pH above 6.5 units indicates the water is not corrosive. A pH between 6.0 and 6.5 units and an alkalinity below 50 mg/L indicates the water may be corrosive. A pH below 6.0 units and an alkalinity below 50 ug/L indicates the water is corrosive. TOTAL COLIFORM TEST This test is performed to detect organisms of the coliform bacteria group found mostly in the intestinal tract of man and animals. The presence of coliform organisms indicates the possibility that disease producing organisms may also be present.