Monitoring well/observation/piezometer wells in Gray County
346 of the 3,079 WWC-5 records in Gray County — 11.2% — are recorded for monitoring well/observation/piezometer.
How this group compares
Gray County holds 0.4% of the 85,904 monitoring well/observation/piezometer records in Kansas, while holding 1.0% of the register overall — so this use is under-represented here.
a use the record files under this heading.
| Measurement | Median | 90th percentile | Kansas median |
|---|---|---|---|
| Depth | 74 ft | 218 ft | 60 ft — deeper here (344 records, 99 %) |
| Static water level | 68.85 ft | 131.6 ft | 24 ft — higher here (243 records, 70 %) |
| Estimated yield | 1 gpm | 10 gpm | 25 gpm — lower here (25 records, 7 %) |
What stands out among these
The busiest contractor on these records is Jay C. Woofter Pump & Well, INC, named on 78 of them (22.5%), ahead of Coranco Great Plains, INC (65) and Prairie Land Environmental Remed (43). The oldest record here was completed in 1990 and the most recent in 2025, and the deepest well on file reaches 659.5 feet — a monitoring well/observation/piezometer well drilled by Layne Western in 2004.
Plugging records — for monitoring well/observation/piezometer in Gray County
117 of the 346 records for monitoring well/observation/piezometer in Gray County carry a plugging report (33.8%), filed on form WWC-5P. The other 229 do not.
That is not a list of abandoned wells, and this site never calls them that. Kansas defines abandonment by use — a well unused for two years — and nothing in this register tracks use. What the absence of a plugging report does mean is that the State has never been told the well was sealed. On the 60 records here completed before 1995, that is exactly what a buyer checks. Why it matters and who pays.
Who drilled them
| Contractor | Records | Share |
|---|---|---|
| Jay C. Woofter Pump & Well, INC | 78 | 22.5% |
| Coranco Great Plains, INC | 65 | 18.8% |
| Prairie Land Environmental Remed | 43 | 12.4% |
| Donald Fulton Drilling CO | 18 | 5.2% |
| Geocore, INC | 14 | 4.0% |
| Associated Drilling, INC | 14 | 4.0% |
| Woofter Pump and Well, INC | 12 | 3.5% |
| Jb Environmental Drilling | 9 | 2.6% |
| Geocore Services INC | 9 | 2.6% |
| Milco Environmental Services | 8 | 2.3% |
| Woofter Pump & Well | 8 | 2.3% |
| Defenbaugh Industries, Inc. (t.e.s.t.) | 7 | 2.0% |
| Richard Henkle Drilling & Supply Co. INC | 7 | 2.0% |
| Joe's Well Service, INC | 7 | 2.0% |
| Pratt Well Service, INC | 7 | 2.0% |
| Geo Stat Environmental | 7 | 2.0% |
An unplugged well on land in Gray County?
229 of the 346 records in Gray County have no plugging report on file. If a well on your land is no longer used, Kansas requires it to be plugged and the duty falls on the landowner — with cost-share of up to USD 1,000 per well through the Kansas Department of Agriculture. This site reads the register; it does not drill and it does not plug. Tell us where and we pass the request to licensed Kansas well contractors.
We recommend no contractor and we are nobody's agent. We have no arrangement with any firm today — we are collecting these requests in order to go and find them. What we do with this.
The records
| WWC-5 | Drilled by | Use | Depth (ft) | Yield (gpm) | Year | Plugging report |
|---|---|---|---|---|---|---|
| 539262 | Hydro Res. Mid Continent #145 | Monitoring well/observation/piezometer | 260 | 0 | 2020 | — |
| 512900 | Geocore, INC | Monitoring well/observation/piezometer | 151 | 0 | 2017 | — |
| 493609 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 145 | 0 | 2016 | — |
| 493610 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 145 | 0 | 2016 | — |
| 495483 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 280 | 11.5 | 2016 | — |
| 488083 | Geocore, INC | Monitoring well/observation/piezometer | 160 | 0 | 2015 | — |
| 488084 | Geocore, INC | Monitoring well/observation/piezometer | 251.5 | 0 | 2015 | — |
| 488085 | Geocore, INC | Monitoring well/observation/piezometer | 240 | 0 | 2015 | — |
| 488086 | Geocore, INC | Monitoring well/observation/piezometer | 251.5 | 0 | 2015 | — |
| 488087 | Geocore, INC | Monitoring well/observation/piezometer | 250.5 | 0 | 2015 | — |
| 489059 | Geocore, INC | Monitoring well/observation/piezometer | 150 | 0 | 2015 | — |
| 484940 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 484944 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 484950 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 484953 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 484957 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 484960 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 484971 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 484979 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 484987 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 485000 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 485003 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 485007 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 485013 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 485016 | Associated Drilling, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 479720 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479721 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479722 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479724 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479725 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479726 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479727 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479728 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479729 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 80 | 0 | 2014 | — |
| 479796 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479797 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479798 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 479799 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 100 | 0 | 2014 | — |
| 479800 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 100 | 0 | 2014 | — |
| 479801 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 75 | 0 | 2014 | — |
| 482106 | Pratt Well Service, INC | Monitoring well/observation/piezometer | 85 | 0 | 2014 | — |
| 481632 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 481639 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 145 | 2 | 2014 | — |
| 481644 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 481659 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 481661 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 481673 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 145 | 0 | 2014 | — |
| 454904 | Geocore, INC | Monitoring well/observation/piezometer | 75 | 0 | 2012 | — |
| 454905 | Geocore, INC | Monitoring well/observation/piezometer | 75 | 0 | 2012 | — |
| 454906 | Geocore, INC | Monitoring well/observation/piezometer | 75 | 0 | 2012 | — |
| 454907 | Geocore, INC | Monitoring well/observation/piezometer | 75 | 0 | 2012 | — |
| 454908 | Geocore, INC | Monitoring well/observation/piezometer | 75 | 0 | 2012 | — |
| 454909 | Geocore, INC | Monitoring well/observation/piezometer | 75 | 0 | 2012 | — |
| 454910 | Geocore, INC | Monitoring well/observation/piezometer | 75 | 0 | 2012 | — |
| 430985 | Geocore Services INC | Monitoring well/observation/piezometer | 218 | 0 | 2009 | — |
| 424636 | Pratt Well Service, INC | Monitoring well/observation/piezometer | 80.5 | 0 | 2009 | — |
| 424637 | Pratt Well Service, INC | Monitoring well/observation/piezometer | 213.5 | 0 | 2009 | — |
| 424638 | Pratt Well Service, INC | Monitoring well/observation/piezometer | 70 | 0 | 2009 | — |
| 424639 | Pratt Well Service, INC | Monitoring well/observation/piezometer | 115 | 0 | 2009 | — |
| 424640 | Pratt Well Service, INC | Monitoring well/observation/piezometer | 150 | 0 | 2009 | — |
| 424644 | Pratt Well Service, INC | Monitoring well/observation/piezometer | 179.5 | 0 | 2009 | — |
| 431083 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 260 | 0 | 2009 | — |
| 431084 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 260 | 0 | 2009 | — |
| 431085 | Woofter Pump and Well, INC | Monitoring well/observation/piezometer | 260 | 0 | 2009 | — |
| 418226 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 60 | 0 | 2008 | — |
| 418250 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 62 | 0 | 2008 | — |
| 420731 | Joe's Well Service, INC | Monitoring well/observation/piezometer | 260 | 0 | 2008 | — |
| 404066 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 63 | 0 | 2007 | — |
| 404067 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 59 | 0 | 2007 | — |
| 404068 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 59 | 0 | 2007 | — |
| 404069 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 59 | 0 | 2007 | — |
| 404070 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 59 | 0 | 2007 | — |
| 404071 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 59 | 0 | 2007 | — |
| 399889 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 65 | 2 | 2007 | — |
| 399890 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 65 | 2 | 2007 | — |
| 399892 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 65 | 2 | 2007 | — |
| 399893 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 65 | 2 | 2007 | — |
| 399895 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 65 | 2 | 2007 | — |
| 399898 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 65 | 2 | 2007 | — |
| 406042 | Joe's Well Service, INC | Monitoring well/observation/piezometer | 260 | 0 | 2007 | — |
| 415822 | Joe's Well Service, INC | Monitoring well/observation/piezometer | 245 | 10 | 2007 | — |
| 415823 | Joe's Well Service, INC | Monitoring well/observation/piezometer | 238 | 10 | 2007 | — |
| 387037 | Joe's Well Service, INC | Monitoring well/observation/piezometer | 265 | 10 | 2006 | — |
| 394956 | Joe's Well Service, INC | Monitoring well/observation/piezometer | 225 | 0 | 2006 | — |
| 394976 | Joe's Well Service, INC | Monitoring well/observation/piezometer | 255 | 0 | 2006 | — |
| 366200 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 60 | 0 | 2005 | — |
| 366201 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 60 | 0 | 2005 | — |
| 366202 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 60 | 0 | 2005 | — |
| 366204 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 60 | 0 | 2005 | — |
| 366205 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 60 | 0 | 2005 | — |
| 366206 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 60 | 0 | 2005 | — |
| 357403 | Geocore Services INC | Monitoring well/observation/piezometer | 155 | 0 | 2004 | — |
| 357404 | Geocore Services INC | Monitoring well/observation/piezometer | 182 | 0 | 2004 | — |
| 357405 | Geocore Services INC | Monitoring well/observation/piezometer | 120 | 0 | 2004 | — |
| 357408 | Geocore Services INC | Monitoring well/observation/piezometer | 125 | 0 | 2004 | — |
| 357409 | Geocore Services INC | Monitoring well/observation/piezometer | 218 | 0 | 2004 | — |
| 348724 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 53.5 | 0 | 2004 | — |
| 348725 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 54 | 0 | 2004 | — |
| 348726 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 55 | 0 | 2004 | — |
| 350100 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 75 | 0 | 2004 | — |
| 353148 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 220 | 0 | 2004 | — |
| 353149 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 220 | 0 | 2004 | — |
| 353152 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 220 | 0 | 2004 | — |
| 355135 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 220 | 0 | 2004 | — |
| 355141 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 222 | 0 | 2004 | — |
| 330586 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 57 | 0 | 2003 | — |
| 330587 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 57 | 0 | 2003 | — |
| 341882 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 59 | 0 | 2003 | — |
| 341883 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 59.7 | 0 | 2003 | — |
| 341884 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 59.5 | 0 | 2003 | — |
| 341885 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 59 | 0 | 2003 | — |
| 341886 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 59.6 | 0 | 2003 | — |
| 341887 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 57 | 0 | 2003 | — |
| 341888 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 58.7 | 0 | 2003 | — |
| 330008 | Richard Henkle Drilling & Supply Co. INC | Monitoring well/observation/piezometer | 400 | 0 | 2002 | — |
| 327014 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 42 | 0 | 2001 | — |
| 327015 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 43 | 0 | 2001 | — |
| 327016 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 42.5 | 0 | 2001 | — |
| 327017 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 43 | 0 | 2001 | — |
| 327018 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 42 | 0 | 2001 | — |
| 327019 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 45 | 0 | 2001 | — |
| 327020 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 40 | 0 | 2001 | — |
| 327021 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 35 | 0 | 2001 | — |
| 327022 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 74 | 0 | 2001 | — |
| 327023 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 40 | 0 | 2001 | — |
| 327024 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 44 | 0 | 2001 | — |
| 327025 | Coranco Great Plains, INC | Monitoring well/observation/piezometer | 45 | 0 | 2001 | — |
| 317471 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 55 | 0 | 2001 | — |
| 317472 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 70 | 0 | 2001 | — |
| 319193 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 75 | 0 | 2001 | — |
| 319194 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 35 | 0 | 2001 | — |
| 319195 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 35 | 0 | 2001 | — |
| 325504 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 38 | 0 | 2001 | — |
| 325505 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 38 | 0 | 2001 | — |
| 325506 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 38 | 0 | 2001 | — |
| 319183 | Richard Henkle Drilling & Supply Co. INC | Monitoring well/observation/piezometer | 227 | 0 | 2001 | — |
| 319353 | Richard Henkle Drilling & Supply Co. INC | Monitoring well/observation/piezometer | 633 | 0 | 2001 | — |
| 312519 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 38 | 0 | 2000 | — |
| 312520 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 38 | 0 | 2000 | — |
| 312521 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 38 | 0 | 2000 | — |
| 312522 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 38 | 0 | 2000 | — |
| 312523 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 38 | 0 | 2000 | — |
| 312524 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 38 | 0 | 2000 | — |
| 315465 | Richard Henkle Drilling & Supply Co. INC | Monitoring well/observation/piezometer | 215 | 0 | 2000 | — |
| 315466 | U.s. Geological Survey | Monitoring well/observation/piezometer | 149 | 0 | 2000 | — |
| 327003 | U.s. Geological Survey | Monitoring well/observation/piezometer | 149 | 0 | 2000 | — |
| 315463 | Usgs | Monitoring well/observation/piezometer | 187.4 | 0 | 2000 | — |
| 327002 | Usgs | Monitoring well/observation/piezometer | 187 | 0 | 2000 | — |
| 307697 | Envirodrill | Monitoring well/observation/piezometer | 135 | 0 | 1999 | — |
| 307698 | Envirodrill | Monitoring well/observation/piezometer | 135 | 0 | 1999 | — |
| 307699 | Envirodrill | Monitoring well/observation/piezometer | 135 | 0 | 1999 | — |
| 307700 | Envirodrill | Monitoring well/observation/piezometer | 135 | 0 | 1999 | — |
| 303147 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 40 | 0 | 1998 | — |
| 303148 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 40 | 0 | 1998 | — |
| 304601 | Max's Enterprise | Monitoring well/observation/piezometer | 45 | 0 | 1998 | — |
| 304602 | Max's Enterprise | Monitoring well/observation/piezometer | 45 | 0 | 1998 | — |
| 116815 | Jb Environmental Drilling | Monitoring well/observation/piezometer | 50 | 0 | 1997 | — |
| 116816 | Jb Environmental Drilling | Monitoring well/observation/piezometer | 55 | 0 | 1997 | — |
| 116817 | Jb Environmental Drilling | Monitoring well/observation/piezometer | 55 | 0 | 1997 | — |
| 118898 | Jb Environmental Drilling | Monitoring well/observation/piezometer | 42 | 0 | 1997 | — |
| 118899 | Jb Environmental Drilling | Monitoring well/observation/piezometer | 64.5 | 0 | 1997 | — |
| 118900 | Jb Environmental Drilling | Monitoring well/observation/piezometer | 60 | 0 | 1997 | — |
| 103548 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 211 | 0 | 1995 | — |
| 103550 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 220 | 0 | 1995 | — |
| 103552 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 210 | 0 | 1995 | — |
| 103554 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 210 | 0 | 1995 | — |
| 103556 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 207.2 | 0 | 1995 | — |
| 103558 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 210 | 0 | 1995 | — |
| 103560 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 218 | 0 | 1995 | — |
| 24860 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 152 | 0 | 1994 | — |
| 24861 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 152 | 0 | 1994 | — |
| 24881 | Defenbaugh Industries, Inc. (t.e.s.t.) | Monitoring well/observation/piezometer | 0 | 0 | 1993 | — |
| 24882 | Defenbaugh Industries, Inc. (t.e.s.t.) | Monitoring well/observation/piezometer | 145 | 0 | 1993 | — |
| 24883 | Defenbaugh Industries, Inc. (t.e.s.t.) | Monitoring well/observation/piezometer | 145 | 0 | 1993 | — |
| 24884 | Defenbaugh Industries, Inc. (t.e.s.t.) | Monitoring well/observation/piezometer | 145 | 0 | 1993 | — |
| 24885 | Defenbaugh Industries, Inc. (t.e.s.t.) | Monitoring well/observation/piezometer | 145 | 0 | 1993 | — |
| 24886 | Defenbaugh Industries, Inc. (t.e.s.t.) | Monitoring well/observation/piezometer | 145 | 0 | 1993 | — |
| 24471 | James Puyear Contractors, INC | Monitoring well/observation/piezometer | 78 | 0 | 1993 | — |
| 24472 | James Puyear Contractors, INC | Monitoring well/observation/piezometer | 80 | 0 | 1993 | — |
| 24473 | James Puyear Contractors, INC | Monitoring well/observation/piezometer | 80 | 0 | 1993 | — |
| 24283 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 55 | 0 | 1993 | — |
| 24284 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 50 | 0 | 1993 | — |
| 24285 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 48 | 0 | 1993 | — |
| 24286 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 63 | 0 | 1993 | — |
| 24287 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 49 | 0 | 1993 | — |
| 24288 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 49 | 0 | 1993 | — |
| 24289 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 65 | 0 | 1993 | — |
| 24290 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 75 | 0 | 1993 | — |
| 24291 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 65 | 0 | 1993 | — |
| 24292 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 68 | 0 | 1993 | — |
| 24293 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 67 | 0 | 1993 | — |
| 24294 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 64 | 0 | 1993 | — |
| 24295 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 63 | 0 | 1993 | — |
| 24887 | Defenbaugh Industries, Inc. (t.e.s.t.) | Monitoring well/observation/piezometer | 152 | 0 | 1992 | — |
| 24627 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 237 | 1 | 1992 | — |
| 24628 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 547 | 1 | 1992 | — |
| 24866 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1992 | — |
| 24869 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1992 | — |
| 24870 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1992 | — |
| 24871 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 0 | 1992 | — |
| 24874 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1992 | — |
| 24879 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1992 | — |
| 423404 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1992 | — |
| 24267 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 62 | 0 | 1992 | — |
| 24268 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 62 | 0 | 1992 | — |
| 24269 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 60 | 0 | 1992 | — |
| 24270 | Jay C. Woofter Pump & Well, INC | Monitoring well/observation/piezometer | 62 | 0 | 1992 | — |
| 24264 | Jb Environmental Drilling | Monitoring well/observation/piezometer | 60 | 0 | 1992 | — |
| 24265 | Jb Environmental Drilling | Monitoring well/observation/piezometer | 60 | 0 | 1992 | — |
| 24266 | Jb Environmental Drilling | Monitoring well/observation/piezometer | 60 | 0 | 1992 | — |
| 24296 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 47.4 | 0 | 1992 | — |
| 24297 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 46 | 0 | 1992 | — |
| 24298 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 47 | 0 | 1992 | — |
| 24299 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 59 | 0 | 1992 | — |
| 24300 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 49 | 0 | 1992 | — |
| 24301 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 49 | 0 | 1992 | — |
| 24308 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 48 | 0 | 1992 | — |
| 24309 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 49 | 0 | 1992 | — |
| 24310 | Prairie Land Environmental Remed | Monitoring well/observation/piezometer | 49 | 0 | 1992 | — |
| 24862 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1991 | — |
| 24863 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1991 | — |
| 24864 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 0 | 1991 | — |
| 24865 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 0 | 1991 | — |
| 24875 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 135 | 1 | 1991 | — |
| 24876 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1991 | — |
| 24877 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 135 | 1 | 1991 | — |
| 24878 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 0 | 1991 | — |
| 423405 | Donald Fulton Drilling CO | Monitoring well/observation/piezometer | 145 | 1 | 1991 | — |
| 24873 | Henkle Drilling & Supply Co. INC | Monitoring well/observation/piezometer | 177 | 0 | 1990 | — |
| 1056872172 | Ues Exploration #531 | Monitoring well/observation/piezometer | 140.7 | 0 | 2025 | yes |
| 1056896928 | Ues Exploration #531 | Monitoring well/observation/piezometer | 145.3 | 0 | 2025 | yes |
| 549839 | Sw Env. Engineering | Monitoring well/observation/piezometer | 144.8 | 0 | 2021 | yes |
| 549848 | Sw Env. Engineering | Monitoring well/observation/piezometer | 143.21 | 0 | 2021 | yes |
| 520752 | Environmental Priority Service, INC | Monitoring well/observation/piezometer | 280 | 0 | 2018 | yes |
| 507517 | Nash Water Well Service, LLC | Monitoring well/observation/piezometer | 70 | 0 | 2016 | yes |
| 507519 | Nash Water Well Service, LLC | Monitoring well/observation/piezometer | 72 | 0 | 2016 | yes |
| 507520 | Nash Water Well Service, LLC | Monitoring well/observation/piezometer | 80 | 0 | 2016 | yes |
| 498917 | Woofter Pump & Well | Monitoring well/observation/piezometer | 145 | 0 | 2016 | yes |
| 498920 | Woofter Pump & Well | Monitoring well/observation/piezometer | 145 | 0 | 2016 | yes |
| 498921 | Woofter Pump & Well | Monitoring well/observation/piezometer | 145 | 0 | 2016 | yes |
Part of a bigger picture: all 3,079 records in Gray County, and every monitoring well/observation/piezometer record in Kansas.
Other groups of a similar size
- Domestic, Livestock — Mcpherson 351
- Monitoring well/observation/piezometer — Jefferson 350
- Oil Field Water Supply — Morton 350
- (unstated)/abandoned — Sedgwick 350
- Domestic — Johnson 349
- Monitoring well/observation/piezometer — Stevens 349
- Domestic, Livestock — Pratt 345
- Monitoring well/observation/piezometer — Linn 343
- Irrigation — Sheridan 342
- Monitoring well/observation/piezometer — Logan 341
- Monitoring well/observation/piezometer — Kiowa 338