2018-04-13_HYDROLOGY - M1977436 - Laserfiche WebLink

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Aggregate Industries South Platte Combined SWSP April 13, 2018 Plan IDs 3614, 4773, 3624, 4772, 4616, 3437, 3376, 3650, 3668, and 5475 Page 15 of 20 Platte Valley Pit Ground Water Lake $754,732 1, 4 Bonded for backfilling. Water rights dedicated via February 29, 2012 affidavit. Distel Pit Ground Water Lake $1,483,800 1, 2 Bonded for backfilling. Lagged and future depletions from evaporation and consumptive use by wetlands vegetation at the site covered under City of Longmont augmentation plan decreed in case no. 2009CW271. Tull Pit Lined Reservoir $2,947,600 1, 3 Bonded for lining. Conditional water storage right decreed in case no. 1994CW062. W.W. Farms Pit Lined Reservoir/Ground Water Lakes $155,480 2 Conditional water storage right and plan for augmentation for evaporation from up to 66 acres of water surface area decreed in case no. 1990CW23 (site currently exposes 36 acres). F-Street Pit Ground Water Lake $71,404 1 or 3 Inadequate bond. Applicant is actively working towards settling legal matters pertaining to long- term replacement source with the land owner. Conditions of Approval I hereby approve this substitute water supply plan, in accordance with § 37-90-137(11), C.R.S., subject to the following conditions: 1. This SWSP shall be valid for the period of January 1, 2018 through December 31, 2018, unless otherwise revoked or superseded by decree. Should a request for renewal of this plan be needed, such renewal request must be submitted to this office with the statutory fee (currently $257 per pit) no later than October 1, 2018. If a renewal request is received after the expiration date of this plan, it will be considered a request for a new SWSP and the filing fee for a new SWSP will apply (currently $1,157 per pit). 2. The Applicant must contact the District 2 Water Commissioner to arrange a field inspection of the South Platte Operations. 3. Well permits have been obtained for the current use and exposed pond surface area of each gravel pit in accordance with § 37-90-137(2) and (11), C.R.S., as identified in Table A of this approval. 4. The total area of pond surface exposed after December 31, 1980 for each of the pits shall not exceed those values listed in Table A of this approval. Should the total surface area exposed exceed those amounts, an amendment will need to be filed with this office. 5. The total amount of ground water to be consumed at each of the pits shall not exceed the values listed in Table C of this approval. Total consumption at each pit must not exceed these amounts unless an amendment is made to this plan. 6. Approval of this plan is for the purposes as stated herein. This office must first approve any additional uses for the water. Any future additional historic consumptive use credit given (e.g., agricultural water transfer) for these sites must consider all previous credits given. 7. All releases of replacement water must be sufficient to cover all out-of-priority depletions in time, place, and amount and must be made under the direction and/or the approval of the water commissioner(s). If approved prior, the release of replacement water may be aggregated to maximize beneficial use. The water commissioner(s) and/or the division engineer shall determine the rate and timing of an aggregated release. 8. Conveyance loss for delivery of replacement water is subject to assessment and modification as determined by the division engineer. The distance for assessment of conveyance loss will