2010-02-11_HYDROLOGY - M1999021 - Laserfiche WebLink

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GROUNDWATER OBSERVATION DATA SHEETS STEGNER FARM SAND & GRAVEL MINE Aggregate Industries WELL NUMBER S-5 Date Depth Measured PVC Rim Ground Water Depth Below Difference from Notes (PVC rim to water) Elevation Elevation Elevation Original Ground Historic Levels (ft) (ft) (ft) (ft) (ft) (ft) Compared to 8/20/99; 80's,sun; T&G 6" running full; laterals 6" running full; 08/01/06 3.8 5028.81 5027.51 5025.0 2.5 (1.40) not dewatering 60s,Sun; T&G & laterals dry. ??Elev resurveyed same time as repaired #4 &#10 & new TOC shown as 5029.84 & Ground 5028.01 (this would make 09/05/06 9.9 5028.81 5027.51 5018.9 8.6 (4.40) calcs .53 off or approx 1/2 foot higher) 10/02/06 11.1 5028.81 5027.51 5017.7 9.8 (5.00) 70s,CloUdy; T&G & laterals low 11/01/06 12.1 5028.81 5027.51 5016.7 10.8 (5.00) 10s; T&G low; laterals low 10s,cloudy; T&G low,flowing; laterals 12/01/06 12.4 5028.81 5027.51 5016.4 11.1 (4.80) IOW 01/01/07 No measures due to snow depth 02/01/07 No measures due to snow depth 30,cold; T&G2"&trickling;laterals 03/01/07 10 5028.81 5027.51 5018.8 8.7 (1.70) frozen 50; T&G-4"&trickling;laterals mostly 04/02/07 10.6 5028.81 5027.51 5018.2 9.3 (2.10) dry 60,warm;T&G trickling-mostly dry; 05/03/07 11.4 5028.81 5027.51 5017.4 10.1 (6.30) laterals mostly dry 06/04/07 5.6 5028.81 5027.51 5023.2 4.3 (0.70) 70,warm; T&G full&flowing 07/05/07 4.6 5028.81 5027.51 5024.2 3.3 1.60 90s,sun; T&G full&flowing S. Gomke measured (12:38 p.m.) per request as a follow-up to conditions after valve was installed on drain. Valve was installed 7/11/07 and drain flow was shut off 100% until SE corner drys out. Water is being directed into the 07/18/07 6 5028.81 5027.51 5022.8 4.7 pit. Per Sandy, the ditches are full & flowing. S. Gomke measured (10:29 am) per request as a follow-up to conditions after valve installed on drain. Ditches full & flowing. Per discussion w/Nick Silbaugh on 7/24/07, 100% of flow is still 07/26/07 4.8 5028.81 5027.51 5024.0 3.5 into pit. He plans to adjust valve to 50%. 90s,hot; T&G full&flowing. Per discussion w/Nick Silbaugh 8/7, he adjusted valve on 8/1/07 for 80% of flow to go to pit & 20% to drain. Heavy rains occurred in Ft. Collins Thursday, 8/2. Stegner told Nick he had around 08/03/07 4.9 5028.81 5027.51 5023.9 3.6 (2.50) 5" of rain. 60s,cloudy; T&G flowing, laterals- 09/06/07 6.8 5028.81 5027.51 5022.0 5.5 (1.30) trickles 1 10/01/07 7.6 5028.81 5027.51 5021.2 6.3 (1.50) 65,sunny; laterals-low trickle Page 4