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On April 21st routine sample tested positive, absent for E-coli. Repeat sampling wasn't conducted, a level one assessment was triggered. On May 2nd a routine, upstream and downstream samples were taken, all samples came back positive TC and absent for E-coli. On May 21st the level one assessment was submitted to ADEQ. On June 1st a routine sample was taken and submitted to the lab that came back positive for TC but absent for E-coli. On June 3rd repeat sampling was conducted sent to the lab within 24 hours. June 5th the lab results returned as RTCR001 TC present, E-coli absent, RTCR001UP TC and E-coli present, RTCR001DN TC and E-coli Present. June 5th the boil water advisory was issued.
The well was disinfected using NSF approved product called "Well Safe" tablets, the storage tank was disinfected with NSF approve bleach called "Pure Bright" to a level of 1.0. The water systems' distribution lines were flushed using the storage tanks water of 1.0ppm, resulting in the distribution lines not properly disinfected. Well is at or below ground level including a mound of dirt next to the well exceeding one foot. No indication of any back flow device provided to the Mobile Home owners which all have hose lines connections to the distribution system. RTCR001 (MSSP routine sample location) has an open inlet to the MHP septic system less than five feet away and the sample tap is less than a foot above the ground. RTCR001DN sits 6 inches or less from the ground surface in a grassy lawn area. RTCR001UP is currently the EPDS001 and not an representative of raw water sample of the system's well. |
06-15-2018
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09-17-2018
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