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DWR_3558973
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Last modified
12/28/2020 2:19:15 PM
Creation date
1/13/2020 1:30:49 PM
Metadata
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Template:
Rulemaking
Rule Name
Republican River Groundwater Measurement Rules (2CCR-402-16)
Document Type - Rulemaking
Final Actions
Subject
FINAL RULES AND REGULATIONS GOVERNING THE MEASUREMENT OF GROUND WATER DIVERSIONS AFFECTING THE REPUBLICAN RIVER COMPACT, WITHIN WATER DIVISION NUMBER 1
Date Effective
11/15/2015
Tags
DWR Re-OCR
Description:
Signifies Re-OCR Process Performed on or after 10/6/2019
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CODE OF COLORADO REGULATIONS 2 CCR 402-16 <br /> Division of Water Resources <br /> 2. TFM shall be: properly verified in the field to be in accurate operating condition by a <br /> Qualified Well Tester and contain sufficient recording digits to assure that "rollover"to <br /> zero does not occur within two years; and shall be maintained by the Well User so as to <br /> provide a continuous, accurate record of withdrawals. TFM's are required to be re-verified <br /> in the field to be in accurate operating condition by a Qualified Well Tester every four <br /> years from the date of the most recent approved Measurement Method Verification. A <br /> TFM must be re-verified if there are any damages, repairs, or alterations to the meter <br /> itself, OR if there are any modifications or alterations to the Well Distribution System that <br /> would affect the TFM's accuracy. Adjustments or modifications to the Well-Distribution <br /> System's pressure or rate of flow, that do not affect the TFM's accuracy, will be allowed <br /> without the requirement of a TFM re-verification test. <br /> 3. Should a meter fail to meet the accuracy standard of Rule 16.5.A.1 the Well User may <br /> seek a variance, from the Division Engineer, to use a Calibration Factor computed by a <br /> Qualified Well Tester using standards provided by the State Engineer. <br /> 4. TFM shall be installed and maintained according to manufacturer's specifications and <br /> recommendations. <br /> 5. A TFM shall be installed at the well before any point of discharge and at a point that is <br /> prior to any discharge pipe that is laid underground. <br /> B. Alternative Method of Measurement <br /> The Division Engineer may approve a variance, in accordance with Rule 16.11, to the installation <br /> of a TFM if it can be demonstrated by a Qualified Well Tester that the proposed Alternative <br /> Method of Measurement would produce results accurate to within plus or minus 5% of the actual <br /> volume pumped over a calendar year. <br /> 1. Power Conversion Coefficient ("PCC") Method of Measurement <br /> a. For Wells that operate under stable water table conditions the following minimum <br /> standards and specifications for PCC testing apply: <br /> (1) PCC Tests shall be performed utilizing rating procedures approved by <br /> the State Engineer and conducted by a Qualified Well Tester. <br /> (2) For verification of stable water table conditions, PCC Tests shall include <br /> the operating pressure and one of the following: the pumping water level <br /> or the rate of flow. <br /> (3) Verification of stable water table conditions require that the operating <br /> pressure and one of the following have not changed by more than 10% <br /> during the PCC Test: (a) the pumping water level or(b)the rate of flow. <br /> b. A PCC computed from an acceptable PCC Test shall be valid for the following <br /> periods and shall be used to calculate total well diversions as follows: <br /> (1) PCC Tests performed between June 15 and October 15 of the same <br /> calendar year, shall be valid for a period of 2 years from the date of the <br /> PCC Test. <br /> 4 <br />
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