2022-06-29_HYDROLOGY - M2015030

• Permit No: M2015030
• IBM Index Class Name: Hydrology
• Doc Date: 6/29/2022
• Doc Name: Substitute Water Supply Plan
• From: DWR
• To: DRMS
• Email Name: ECS
• Email Name: MAC
• Media Type: D
• Archive: No

Chavers Mining Resources Substitute Water Supply Plan 2022 Page 5 of 8
June 27, 2022
Conditions of Approval
This SWSP is hereby approved in accordance with section 37-90-137(11), C.R.S. subject to the following
conditions:
1. This SWSP shall be valid for the period of August 1, 2022 through December 31, 2022, unless
otherwise revoked, or superseded by decree. The plan will be extended until July 31, 2023 if
Applicant provides a copy of the lease extension with the City of Aurora to this office by
November 1, 2022 that includes adequate replacement water to replace all un-replaced depletions,
after accounting for any transit losses. If this plan is not decreed in water court by the SWSP
expiration date, a renewal request must be submitted to this office with the statutory fee of $257 no
later than November 1, 2022 (or June 1, 2023 if extended). If a renewal request is received after
the expiration date of this plan, it may be considered a request for a new SWSP and the $1,593 filing
fee will apply.
2. During the plan period of August 1, 2022 through December 31, 2022 (or July 31, 2023 if the plan is
extended), the following amounts must not be exceed:
a. total surface area of the groundwater exposed at the Chavers Mining Resources site must not
exceed 5.93 acres, which results in an annual evaporative loss of 16.05 acre-feet per year or
6.08 acre acre-feet for the period of August 1, 2022 through December 31, 2022;
b. the water used for dust control at the Chavers Mining Resources site shall not exceed 1.25
acre-feet per year or 0.52 acre-feet for the period of August 1, 2022 through December 31,
2022;
c. the total product mined at the Chavers Mining Resources site shall not exceed 700,000 tons per
year or 279,000 tons during this SWSP period, which results in 20.61 acre-feet per year of
water lost with the mined aggregate or 8.21 acre-feet for the period of August 1, 2022 through
December 31, 2022;
d. the total concrete production shall not exceed 154,000 cubic yards per year or 68,190 cubic
yards during this SWSP period, which results in 14.18 acre-feet per year of water used for
concrete production or 6.28 acre-feet for the period of August 1, 2022 through December 31,
2022; and
e. total consumption at the Chavers Mining Resources site must not exceed these aforementioned
amounts unless an amendment is made to this SWSP.
3. Approval of this SWSP is for the purposes as stated herein. This office must first approve any
additional uses for the water.
4. All pumping for dust control shall be measured in a manner acceptable to the Division Engineer.
5. Well permit nos. 80120-F and 80121-F were issued for the gravel pit site in accordance with sections
37-90-137(2) and (11), C.R.S. and these permits remain valid.
6. The replacement water that is the subject of this SWSP cannot be sold or leased to any other entity.
As a condition of subsequent renewals of this SWSP, the replacement water must be appurtenant to
this site until a plan for augmentation is obtained. All replacement water must be concurrent with
depletions in quantity, timing, and locations.
7. The Applicant shall provide daily accounting (including, but not limited to diversions, depletions,
replacement sources, and river calls) on a monthly basis. The accounting must be uploaded to the
CDSS Online Reporting Tool within 30 days of the end of the month for which the accounting applies
(https://dwr.state.co.us/Tools/reporting). Instructions for using the tool are available on the Division
of Water Resources website on the "Services" --+ "Data Et Information" page under the heading of
Online Data Submittal. Accounting and reporting procedures are subject to approval and modification