ML21271A149

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License Amendment Request (LAR) 21-01, Chapter 1 9 Haley & Aldrich, Inc. Memorandum to Energysolutions, File No. 0127960-006, Fort Calhoun Nuclear Power Statio~1
ML21271A149
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 04/13/2021
From: Gerger J
Haley & Aldrich
To: Zoller S
EnergySolutions, Office of Nuclear Reactor Regulation
Shared Package
ML21271A178 List: ... further results
References
LIC-21-0005 0127960-006
Download: ML21271A149 (5)
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Text

HALEY & ALDRICH, INC.

75 Washington Road, Suite 1A Portland, Maine 04101 207.482.4600 MEMORANDUM 13 April 2021 File No. 0127960-006 TO: Scott Zoller EnergySolutions FROM: Haley & Aldrich, Inc.

Jeremy Gerger Senior Scientist Nadia Glucksberg Program Manager

SUBJECT:

Fort Calhoun Nuclear Power Station - Well Research A search on the Nebraska Department of Natural Resources Permits & Registrations Division, Groundwater Section database and web viewer, and the Iowa Geological Survey web viewer, yielded 92 active wells within the approximate search radius identified in Figure 1 from the Fort Calhoun Nuclear Power Plant (power plant), located at Power Lane in Blair, Nebraska. The well search was concentrated in the flood plain approximately 2.5-miles upstream and 4.5-miles downstream from the power plant.

A review of the well databases revealed that there are 31 domestic/private wells, seven geothermal heating wells, 13 irrigation wells, six public water wells (for recreation areas), 27 environmental monitoring wells, and four commercial/industrial wells, within the search area identified in Figure 1.

Four wells did not have an identifiable purpose. Domestic and irrigation well information is provided on Table 1. Remaining well information is provided on Table 2. A short description of each is below:

  • Domestic Wells. Fifteen of the 31 domestic wells encountered either shale (six wells between 130 to 255 feet bgs with an average static water level of approximately 137.7 feet bgs) or limestone (nine between 34 to 279 feet bgs with an average static water level of approximately 75.2 feet bgs). Each of the 31 screens were installed in sand or straddled a sand/clay interval.
  • Irrigation Wells. Of the 13 irrigation wells that were mainly located in Iowa, six encountered bedrock. The deepest irrigation well encountered shale at approximately 180 feet bgs and was screened in sandy clay from 165 to 175 feet bgs. The static water level for this well was approximately 148 feet bgs. Five other irrigation wells encountered limestone ranging from approximately 68 to 110 feet bgs. These wells had an average static water level of approximately 7.4 feet bgs and each were screened in sand and gravel.

www.haleyaldrich.com

13 April 2021 Page 2

  • Public Water Supply Wells. The six public water supply wells are located in Iowa in either the Wilson Island State Recreation Area or the Desoto National Wildlife Refuge. The database was deficient with information regarding these wells; however, each was terminated less than 100-feet bgs with static water levels ranging from 14 to 36 feet bgs.
  • Geothermal Wells. Two of the seven geothermal wells encountered bedrock. One of the wells encountered limestone at approximately 190 feet bgs, then shale at 197 feet bgs, and finally limestone again at 200 feet bgs where the boring was terminated. The other geothermal well encountered shale at approximately 200 feet bgs where the boring was terminated. There is no well screen data for these wells as they are closed-loop systems with no well screen present.
  • Monitoring Wells. Although monitoring wells are not relevant for a resident farmer scenario, they do provide state water levels of the shallow aquifer. Static water levels of the monitoring wells range/ranged between approximately 5 to 20 feet bgs. The average static water level for the monitoring wells with data available is 15.3 feet bgs. None of the monitoring wells were installed in bedrock (i.e. limestone or shale). Well screens were installed primarily in sand, with the exception of a few wells that straddled a clay and/or silt and sand interval.
  • Commercial/Industrial Wells. One of the commercial/industrial wells identified did not have a well log available on the database; however, the static water level for the well was 10 feet bgs.

Two other commercial/industrial wells were both drilled to approximately 70 feet bgs with one of the wells tagging limestone at the bottom of the boring. The static water level for one of the wells was approximately 18 feet bgs. The static water level for the other commercial/industrial well was inaccurate. Although the well was installed to approximately 70 feet bgs, the static water level was recorded as 100 feet bgs. Both wells were screened in sand and one contained a thin, approximately 2-foot, layer of clay. The final commercial/industrial well identified in the search tagged limestone at approximately 48 feet bgs, had a static water level of 12 feet bgs and was screened from 37 to 47 feet bgs in sand.

  • Other. Three of the four Nebraska wells with an unidentified purpose tagged limestone at either 54, 74 or 90 feet bgs. Each of the well screens were installed in sand and static water levels ranged from 12 to 35 feet bgs.

Wells Near Ft. Calhoun Power Station Legend Counties NRDs SubSections Active, Registered Wells X Unregistered Wells Well Use Descriptions X Aquaculture X Commercial/Industrial X Dewatering (>90 Days)

X Domestic X Geothermal X Ground Heat Exchange X Heat Pump Well (Open)

X Injection X Irrigation X Livestock X Monitoring (Quality)

X Observation (Quantity) 0 1.5 3 mi X Other Disclaimer X Pit (Excavation)

This map is a user generated static output from an Internet mapping site and is for reference only. Data layers that appear on this map may or may not be accurate, current, or otherwise reliable. Notes Fort Calhoun Flood Plain Search X Recovery THIS MAP IS NOT TO BE USED FOR NAVIGATION Printed Date 2/15/2021 12:51:00 PM X Unspecified

Table 1 Page 1 Well Survey Results Summary Domestic and Irrigation Wells Fort Calhoun Station Blair, Nebraska Top of Bottom Registration Well ID Well Type LAT LONG Well of Well Static WL Number Screen Screen 97900 G-086412 Domestic 41.501357 -96.046138 50 55 9 97575 G-086200 Domestic 41.500798 -96.050597 23 30 9 118425 G-100661 Domestic 41.498117 -96.054085 10 23 9 99336 G-087486 Domestic 41.496799 -96.06209 117 122 100 119033 G-101202 Domestic 41.503439 -96.065526 110 120 92 113251 G-097504 Domestic 41.503929 -96.0667 80 120 53 118170 G-100951 Domestic 41.502898 -96.066919 188 198 160 118965 G-101572 Domestic 41.506907 -96.067862 15 48 11 252761 G-185127 Domestic 41.49475 -96.06394444 45 50 32 95059 G-084528 Domestic 41.4878 -96.044883 30 35 12 142842 G-117591 Domestic 41.496518 -96.067019 245/265 255/275 219 161227 G-129224 Domestic 41.50877778 -96.07216667 120/133 130/138 103 103934 G-093764 Domestic 41.50241 -96.074563 75 85 46 156437 G-125696 Domestic 41.51163889 -96.07325 128 138 100 150630 G-122178 Domestic 41.49830556 -96.07391667 185 195 157 173135 G-137745 Domestic 41.51091667 -96.07602778 164 174 100 187925 G-146499 Domestic 41.48331667 -96.06065 63 73 24 97304 G-085929 Domestic 41.50872 -96.093593 177 187 135 106589 G-091509 Domestic 41.509112 -96.095403 282 292 242 148284 G-120479 Domestic 41.512833 -95.998314 25 35 19 166467 G-132787 Domestic 41.51075 -96.09816667 260 270 218 166184 G-132632 Domestic 41.51369444 -96.09805556 180 200 145 171372 G-136447 Domestic 41.51088889 -96.09891667 238 248 213 262595 G-190170 Domestic 41.51219444 -96.09991666 237 247 194 158928 G-127456 Domestic 41.51177778 -96.10008333 218 228 185 150838 G-122369 Domestic 41.522992 -95.998326 23 33 15 196267 G-151743 Domestic 41.51222222 -96.10138889 241 248 204 243020 G-179398 Domestic 41.51169444 -96.10166667 208 218 183 129525 G-109543 Domestic 41.514705 -96.10278 228 233 195 114634 G-097796 Domestic 41.520023 -96.103383 137 142 92 222614 G-165811 Domestic 41.54251667 -96.09916111 90060 Irrigation 41.53972222 -96.0805555600 40 60 12 19909 Irrigation 41.545264 -96.069234 5 39044 Irrigation 41.555762 -96.066524 62 82 11 33137 Irrigation 41.556847 -96.060487 70 90 11 33136 Irrigation 41.553427 -96.050821 60 80 10 50940 Irrigation 41.545195 -96.061682 58 78 4 30178 Irrigation 41.527839 -96.060558 54 69 11 29285 Irrigation 41.4952990000 -95.989589 86 110 10 63931 Irrigation 41.4877 -95.9882 61 101 10 29284 Irrigation 41.4858100000 -95.9823110000 61 101 7 36669 Irrigation 41.481306 -95.976588 72 95 4 29283 Irrigation 41.477113 -95.9839950000 41 81 7

Table 2 Page 1 Well Survey Results Summary Additional Area Wells Fort Calhoun Station Blair, Nebraska Top of Bottom Registration Well ID Well Type LAT LONG Well of Well Static WL Number Screen Screen 251574 G-184477 Other 41.50192778 -96.03978056 54 74 12 251575 G-184478 Other 41.50172222 -96.03487778 61/69.5 67/89.5 14 95060 G-084529 Other 41.4891851 -96.05205481 41 51 35 131716 G-109803 Commercial/Industrial 41.51418056 -96.06813333 50.9 60.9 101 94474 G-084129 Livestock 41.487771 -96.060769 165 175 148 140317 G-115791 Ground Heat Exchanger well - Closed Loop Heat Pump well 41.50563889 -96.07472222 131715 G-109802 Commercial/Industrial 41.521254 -96.06706 10 211531 G-159683 Ground Heat Exchanger well - Closed Loop Heat Pump well 41.50366667 -96.07733333 131708 G-109801A Monitoring (Ground Water Quality) 41.519811 -96.074618 18 235784 G-174730 Ground Heat Exchanger well - Closed Loop Heat Pump well 41.47882778 -96.0532 131709 G-109801B Monitoring (Ground Water Quality) 41.520634 -96.074622 18 214519 G-161564C Monitoring (Ground Water Quality) 41.52081111 -96.07563889 10 264053 G-191156C Monitoring (Ground Water Quality) 41.52000833 -96.076475 13.4 214518 G-161564B Monitoring (Ground Water Quality) 41.51858889 -96.07773056 5 264051 G-191156A Monitoring (Ground Water Quality) 41.52005833 -96.076475 13.4 189482 G-147837A Monitoring (Ground Water Quality) 41.52036667 -96.07621111 15.1 189489 G-147837H Monitoring (Ground Water Quality) 41.52035278 -96.076225 15 189491 G-147837J Monitoring (Ground Water Quality) 41.52066389 -96.07602778 15.1 189490 G-147837I Monitoring (Ground Water Quality) 41.52067778 -96.07601667 13.8 189487 G-147837F Monitoring (Ground Water Quality) 41.52059444 -96.07653056 16.9 189488 G-147837G Monitoring (Ground Water Quality) 41.52058333 -96.07654167 17.3 189492 G-147837K Monitoring (Ground Water Quality) 41.52108889 -96.07611667 15.8 189485 G-147837D Monitoring (Ground Water Quality) 41.52022222 -96.07704167 17.1 189486 G-147837E Monitoring (Ground Water Quality) 41.52020833 -96.07705556 17.2 189494 G-147837M Monitoring (Ground Water Quality) 41.52029722 -96.07723333 264052 G-191156B Monitoring (Ground Water Quality) 41.5197 -96.07793611 14.7 133206 G-110639 Monitoring (Ground Water Quality) 41.51908624 -96.07867716 13 251573 G-184476 Other 41.51812778 -96.01452222 76 116 14 189483 G-147837B Monitoring (Ground Water Quality) 41.52033889 -96.07809722 17.3 214517 G-161564A Monitoring (Ground Water Quality) 41.51666111 -96.08096944 15 189484 G-147837C Monitoring (Ground Water Quality) 41.52032222 -96.07839444 17.5 192700 G-149467 Ground Heat Exchanger well - Closed Loop Heat Pump well 41.50775 -96.08461111 189493 G-147837L Monitoring (Ground Water Quality) 41.52141667 -96.07801389 14.7 177042 G-140336 Commercial/Industrial 41.52005556 -96.0795 50 70 18 107934 G-092618 Ground Heat Exchanger well - Closed Loop Heat Pump well 41.509412 -96.094423 262597 G-190173 Ground Heat Exchanger well - Closed Loop Heat Pump well 41.51208333 -96.09944444 194 93726 G-083661A Monitoring (Ground Water Quality) 41.520549 -96.096737 8 185771 G-145222 Ground Heat Exchanger well - Closed Loop Heat Pump well 41.51663889 -96.10316667 217573 G-163030 Monitoring (Ground Water Quality) 41.52846667 -96.09792778 13 113636 G-097024 Commercial/Industrial 41.531049 -96.103693 37 47 12 234869 G-174034A Monitoring (Ground Water Quality) 41.53291389 -96.11023333 5 234870 G-174034B Monitoring (Ground Water Quality) 41.5345 -96.11011111 4.3 200353 G-153892B Monitoring (Ground Water Quality) 41.53702 -96.109819 16911 Public Water Supply 41.548545 -96.027979 50 70

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