Or. Admin. Code § 690-240-0395 - Monitoring Well Report Required (Monitoring Well Log)

(1) A monitoring well report shall be prepared for each monitoring well constructed, altered, converted, or abandoned including unsuccessful monitoring wells. The log shall be certified as correct by signature of the Monitoring Well Constructor constructing the monitoring well. The completed log shall also be certified by the bonded Monitoring Well Constructor responsible for construction of the monitoring well. A monitoring well report must be submitted by each bonded constructor (if drilling responsibility is shifted to a different bonded constructor), showing the work performed by each bonded constructor.

(2) Well Reports may be submitted electronically by a Department-approved method. Well reports submitted on paper shall be prepared in triplicate on forms furnished or previously approved in writing by the Water Resources Department. The original shall be furnished to the Director, the first copy shall be retained by the Monitoring Well Constructor, and the second copy shall be given to the customer who contracted for the construction of the monitoring well.

(3) The bonded Monitoring Well Constructor shall file the certified monitoring well report with the Water Resources Department within 30 days after the completion of the construction, alteration, conversion, or abandonment of the monitoring well.

(4) The trainee or Monitoring Well Constructor operating the monitoring well drilling machine shall maintain a rough log of all geologic strata encountered and all materials used in the construction of the monitoring well. This log shall be available for inspection by the well inspector or other authorized agent of the Water Resources Department or other delegated agency representative at any time before the monitoring well report is received by the Department. The rough drilling log shall be in handwritten or electronic form, or a voice recording.

(5) In the event a constructor leaves any drilling equipment or other tools in a monitoring well this fact shall be entered on the monitoring well report.

(6) A copy of any special authorizations or special standards issued by the Director shall be attached to the monitoring well report.

(7) The report of monitoring well construction required in section (1) of this rule shall be submitted electronically by a Department-approved method or recorded on a form provided or previously approved in writing by the Department. The form shall include, as a minimum, the following:

(a) Name and post-office address of the well owner;

(b) Name and license number, if applicable, of the licensed or permitted person performing the work;

(c) Name and license number, if applicable, of the licensed or permitted person responsible for the work;

(d) Name of any person that assisted with the work;

(e) Started/Completed date;

(f) Location of the well by county, Township, Range, Section, tax lot number, if assigned, street address, or nearest address, the nearest 1/4, 1/4 section, and Latitude and Longitude as established by a global positioning system (GPS);

(g) Start card number;

(h) Well identification label number (well tag number);

(i) Type of well;

(j) Use of well;

(k) Type of work;

(l) Depth drilled and completed depth;

(m) Diameter of boreholes;

(n) Type, size, and amount of casing and where placed in the well;

(o) Number and location of perforations or screens;

(p) Type and amount of seal material used and measured weight of the grout slurry as required in OAR 690-240-0475(2)(g);

(q) Temperature of the groundwater encountered;

(r) Thickness of aquifers;

(s) Total dissolved solids (TDS);

(t) Map showing location of monitoring well on site, must be included with the electronically filed well report or attached to the submitted paper well report and shall include an approximate scale and a north arrow; and

(u) Such additional information as required by the Department.

(8) Effective July 1, 2024, well reports shall be submitted to the department by electronic means unless prior written approval is received to submit paper well reports.

Notes

Or. Admin. Code § 690-240-0395

WRD 14-1990, f. & cert. ef. 8-9-90; WRD 8-1993, f. 12-14-93, cert. ef. 1-1-94; WRD 7-2001, f. & cert. ef. 11-15-01; WRD 1-2003, f. & cert. ef. 3-14-03, Renumbered from 690-240-0095; WRD 4-2004, f. & cert. ef. 6-15-04; WRD 2-2006, f. & cert. ef. 6-20-06; WRD 5-2016, f. & cert. ef. 9/6/2016; WRD 5-2023, amend filed 06/22/2023, effective 7/1/2023

Statutory/Other Authority: ORS 536.090, ORS 537.505-537.795, ORS 536.027, ORS 536.900 & ORS 537.992

Statutes/Other Implemented: ORS 536.090, ORS 537.505-537.795, ORS 536.900 & ORS 537.992