Arizona Department of Environmental Quality Safe Drinking Water Monitoring Assistance Program
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Water System Detail Information

Water System ID #:

AZ0414055

Water System Classification:

C

Water System Name:

MOHAWK VALLEY SCHOOL DISTRICT

Primary Water Source:

SW

Principal County Served:

YUMA

System Activity / MAP Participant:

A

Activity Date:

06-01-1977


Rule Analyte/Analyte Group Eff. Begin Eff. End App. Date For Comp.
DBP2 DBP2 - STAGE 2 DBP 10-01-2013 10-01-2013 Y
THE STAGE 2 INCREASED COMPLIANCE MONITORING PLAN SUMMARY SHEET, AND MAP WERE APPROVED ON 06/21/16. APPROVAL WAS BASED UPON REVIEW OF THE SYSTEM┐S VERY SMALL SYSTEM WAIVER, COMPLIANCE MONITORING PLAN, COMPLIANCE MONITORING PLAN SUMMARY SHEET, STAGE 1 DATA AND MAP. STAGE 2 SAMPLES COLLECTED (PRIOR TO THIS APPROVAL) IN 2014 AND 2015 MET THE REQUIREMENTS OF THE RULE AND WILL BE CREDITED TO THE SYSTEM. BEGINNING IN 2014, STAGE 2 ROUTINE MONITORING WILL CONSIST OF 1 DUAL SAMPLE SET AT 01-A, COLLECTED ANNUALLY, DURING THE MONTH OF JULY. SITE ID STAGE 2 COMPLIANCE MONITORING SITE ID SAMPLE TYPE 01-A NORTH SAMPLE TAP/BIB ON NE CORNER DUAL (TTHM & HAA5) THE SYSTEM HAD MULTIPLE MCL VIOLATIONS AND WILL CONTINUE ON INCREASED MONITORING BEGINNING 3TH QUARTER OF 2016. INCREASED MONITORING WILL BE CONDUCTED QUARTERLY AND CONSIST OF 2 DUAL SAMPLE SETS (TTHM &HAA5) AT SITES 01-A AND 0-2A . THE SYSTEM WILL REMAIN ON QUARTERLY SAMPLING, WITH THE SAMPLES TO BE COLLECTED IN THE MONTHS OF FEBRUARY, MAY, AUGUST, NOVEMBER. ***THE SYSTEM MUST TAKE, AT MINIMUM, 4 CONSECUTIVE QUARTERS TO DETERMINE A LRAA. ALL DWAR 33 AND DWAR 32 FORMS MUST BE SUBMITTED FOR EACH QUARTER. THE LRAA MUST BE AT OR BELOW ┐ THE MCL, AT 0.060 FOR TTHM AND 0.045 FOR HAA5. WHEN THE 4 QUARTERS HAVE BEEN TAKEN AND THE LRAA FALLS WITHIN THE ACCEPTABLE LIMITS THE SYSTEM MAY REQUEST TO RETURN TO ROUTINE MONITORING.*** PLEASE BE SURE TO MARK THE CHAIN OF CUSTODY WITH THE SITE IDS AND STAGE 2 COMPLIANCE MONITORING SITE IDS TO ENSURE CORRECT SUBMISSION OF DWAR 32S FOR THESE SITES: SITE ID STAGE 2 COMPLIANCE MONITORING SITE ID SAMPLE TYPE 01-A WORK ROOM DUAL (TTHM & HAA5) 02-A HOUSE 6 DUAL (TTHM & HAA5)


Sample Points
Point Facility Prim. Ind. Begin Date End Date Planned Sample Date/Tolerance
01-A DS001 Y 10-01-2013
02-A DS001 Y 10-01-2013