NR 811.09(1)(h)2.g. g. Profile views including the ground surface, the proposed water main, the proposed sanitary or storm sewer, and rock depths when approval of a common trench is being requested in areas of high bedrock.
NR 811.09(1)(h)2.h. h. The size of proposed and existing water mains.
NR 811.09(1)(h)3. 3. `Worksheet submittal.' Complete information as requested on any required worksheet shall be provided. The forms shall be completed for all water main projects including revisions to existing projects, upgrading of existing mains and resubmittals of projects previously approved by the department.
NR 811.09(1)(i) (i) Storage facilities.
NR 811.09(1)(i)1.1. `Location plan.' The plan shall show the location of the proposed facility in relation to existing facilities.
NR 811.09(1)(i)2. 2. `Detailed plans.' Plans shall show contour lines at the site and complete construction details. Overflow elevations for existing and proposed facilities shall be noted.
NR 811.09(2) (2) Specifications. Complete, detailed material and construction specifications shall be supplied for all phases of the proposed project. Specifications shall contain a program for keeping existing waterworks facilities in operation during construction of additional facilities so as to minimize interruptions of service. Specifications shall be included for controlling erosion on the construction site as a result of construction activity as specified in subch. V of ch. NR 151.
NR 811.09 Note Note: Department approved Construction Site Erosion and Sediment Control Technical Standards can be found on the department's internet web site.
NR 811.09(3) (3) Engineering report. An engineering report shall be submitted with all reviewable projects with the exception of water main extensions. The engineering report, required by s. NR 108.04 (2) (a), shall contain the controlling assumptions made and the factors used in determining the functional design of the proposed waterworks improvements as a whole and of each of the component parts or units. Where applicable, the report shall make reference to available regional, metropolitan, county or local water supply or water quality management plans and shall clearly indicate whether the proposed project is in conformance with the plans.
NR 811.09 Note Note: It is recommended that the report also include an energy efficiency analysis.
NR 811.09(4) (4) Engineering report requirements. The engineering report required under sub. (3) shall, in all cases, indicate the basis of design and shall include the following specific data, if applicable:
NR 811.09(4)(a) (a) Description. A brief description of the project and the need for improvements.
NR 811.09(4)(b) (b) Location. A description of the geographic location of the project, including reference to maps or exhibits and the location of existing facilities.
NR 811.09(4)(c) (c) Topography. A brief description of the topography of the general area and its relation to the area involved in the project.
NR 811.09(4)(d) (d) Population. Past census data and estimated future projection to the design year for the area involved in the project.
NR 811.09(4)(e) (e) Design period. The design period being used for sizing major system components, based on the population projection.
NR 811.09(4)(f) (f) Investigations. The results of any investigations, such as soil borings, test wells, pilot tests, water quality data, and fire flow tests.
NR 811.09(4)(g) (g) Flooding. Any areas of the project which are located within the floodway or floodplain as defined in ch. NR 116 shall conform to the requirements of that chapter.
NR 811.09(4)(h) (h) Wetlands. Any areas of the project which are to be located within a wetland, pass through a wetland or may impact a wetland shall be identified.
NR 811.09 Note Note: Copies of the Wisconsin wetland inventory maps are available for inspection at the office of the department of natural resources and may be purchased through the department's internet web site. The department of natural resources is in the process of placing the wetland inventory maps on the department's internet web site.
NR 811.09(4)(i) (i) Recommendations. After discussion of alternatives, the recommendations for improvements shall be listed and a statement of the reasons for selection of the recommended alternative shall be provided. A discussion of estimated capital costs and estimated annual operation and maintenance costs shall be included.
NR 811.09(4)(j) (j) Specific information. The report shall, in addition, include specific information relevant to the type of project. The specific information required for each type of project is as follows:
NR 811.09(4)(j)1. 1. `Groundwater sources — Well site investigation reports.' A copy of a well site investigation report shall be submitted for department review and approval prior to the department approving the construction of a permanent well as required in sub. (1) (b) 2., or where there is reasonable certainty that the location of any test well will be the location of the permanent well. If no test well is to be constructed, site approval may be obtained simultaneously with department approval of plans for the final well. The investigation shall include a field survey of the well site and the surrounding area. The investigation shall consist, at a minimum, of a map and report indicating:
NR 811.09(4)(j)1.a. a. The well location by quarter quarter section, township, range, county, latitude, and longitude.
NR 811.09(4)(j)1.b. b. The boundaries of the site and the location of the well on the site.
NR 811.09(4)(j)1.c. c. The topography of the site.
NR 811.09(4)(j)1.d. d. The regional flood elevation.
NR 811.09(4)(j)1.e. e. The past and present use of the proposed site.
NR 811.09(4)(j)1.f. f. The potential contamination sources within 1/2 mile of the well location summarized in a table or list including distance and direction from the well site and also shown on a map surrounding the well site. The table or list shall include an assessment of the potential for the contamination sources to impact a well constructed on the site and shall include information obtained by checking the department's database of contaminated properties, established in accordance with ss. 292.12 (3), 292.31 (1), and 292.57, Stats., and the department of safety and professional services Storage Tank Database.
NR 811.09 Note Note: The department's database of contaminated properties, established in accordance with ss. 292.12 (3), 292.31 (1), and 292.57, Stats., can be found on the department's Bureau for Remediation and Redevelopment internet web site. The Bureau for Remediation and Redevelopment Tracking System (BRRTS) is an on-line database that provides information on areas of known contaminated soil or groundwater and tracks the status of the cleanup actions. RR Sites Map is the program's geographic information system that provides a map-based system of contaminated properties in Wisconsin. Information that appears on the RR program's database and GIS applications can also be obtained by contacting the regional drinking water staff person responsible for the water system. The department can be contacted to obtain a copy of A Guide For Conducting Potential Contaminant Source Inventories For Wellhead Protection. The department of safety and professional services Storage Tank Database Information can be found on the department of safety and professional services internet web site.
NR 811.09(4)(j)1.g. g. The specific geologic formation or formations from which water will be pumped or withdrawn.
NR 811.09(4)(j)1.h. h. The test or final well construction details, or both, including the descending order and depths of the specific geologic formations to be penetrated.
NR 811.09(4)(j)1.i. i. The proposed test or final well pumping capacity in gallons per minute, or both, as applicable.
NR 811.09(4)(j)1.j. j. The direction of groundwater flow in the specific geologic formation or formations from which water will be pumped or withdrawn.
NR 811.09(4)(j)1.k. k. The zone of influence of the proposed well consisting of the distance to one foot of aquifer drawdown at the anticipated final pumping rate when pumpage of the well is assumed to be continuous without recharge for 30 days. The zone of influence shall be calculated using the Theis Method with or without computer modeling unless another method is approved by the department. The aquifer transmissivity (T) and storage (S) coefficients used shall be provided.
NR 811.09(4)(j)1.L. L. The recharge area for the well. The recharge area shall be calculated using the Uniform Flow Equation or a computer generated groundwater model unless another method is approved by the department.
NR 811.09 Note Note: A copy of A Template For Preparing Wellhead Protection Plans For Municipal Wells, in which use of the Uniform Flow Equation is discussed, may be obtained from the department.
NR 811.09(4)(j)1.m. m. The results from any previous test wells including details of test well location and construction, water quality, pumping conditions including drawdown effects, if applicable, on other nearby wells or surface water bodies, geologic borings, and seismic, resistivity or other groundwater investigations.
NR 811.09(4)(j)1.n. n. The anticipated annual volume of water to be withdrawn and the compatibility with the existing water supply facilities.
NR 811.09(4)(j)1.o. o. The location and data from any piezometers.
NR 811.09(4)(j)1.p. p. The location of any nearby wetlands.
NR 811.09(4)(j)1.q. q. The distance and direction from the proposed well to the nearest existing well serving another water utility.
NR 811.09(4)(j)1.r. r. The distance and direction from the proposed well to the nearest neighboring private wells within 1,200 feet of the well site.
NR 811.09(4)(j)1.s. s. The location and distance to surface water and springs.
NR 811.09(4)(j)1.t. t. The locations of alternate well sites for the proposed well and other information such as test pumping or modeling as requested by the department in order to conduct a review under ch. NR 820 to justify the proposed well location if the well will be pumped at a rate equal to or greater than 70 gallons per minute and the department determines that the proposed well will be located within a groundwater protection area as defined in s. 281.34 (1) (am), Stats., or that operation of the well could result in significant adverse impacts to springs as defined in s. 281.34 (1) (f), Stats.
NR 811.09(4)(j)1.u. u. A summary evaluation of the site including advantages and disadvantages and the need for any possible water treatment.
NR 811.09(4)(j)2. 2. `Surface water sources.' To assess the water available at the source, the engineering report shall include a survey and study of the source, including obtaining samples from a number of locations and depths in order to select the best intake site. Sampling shall be sufficient to adequately determine the water quality characteristics. The report shall summarize information on hydrological data, such as safe yield, maximum and minimum water levels or flows, the quality of raw water with special emphasis on results of testing programs, fluctuation in water quality, including seasonal variations and effects, the presence of befouling organisms, and existing and future potential sources of contamination.
NR 811.09(4)(j)3. 3. `Water treatment or chemical addition processes.' The engineering report shall include a summary establishing the adequacy of the proposed processes for the treatment of the specific water under consideration. The report shall include any data from pilot or full scale plant studies and describe the method of disposal of any wastes and any possible effects on the environment.
NR 811.09(4)(j)4. 4. `Pumping facilities.' The engineering report shall include a description of the area to be served and the basis for design, including maximum and minimum discharge heads and flows, pump operational controls, and provisions for emergency operation.
NR 811.09(4)(j)5. 5. `Water storage facilities.' The engineering report shall include a description of the high to low static pressure range which the proposed facility will provide for existing and future service areas and the volume of domestic and fire storage required within the design period. The report shall explain how the proposed and existing facilities will meet these requirements. The report shall also relate the compatibility of the proposed facilities with existing facilities and any changes that will have to be made to the existing facilities.
NR 811.09 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10; correction in (1) (a), (4) (j) 1. f. made under s. 13.92 (4) (b) 6., Stats., Register December 2011 No. 672; correction in (4) (j) 1. t. made under s. 13.92 (4) (b) 7., Stats., Register February 2017 No. 734; CR 22-074: renum. (1) (h) 2. to (1) (h) (intro.) to h. and am. Register January 2024 No. 817, eff. 2-1-24.
NR 811.10 NR 811.10Owner approval requirement. If an engineer or other agent submitting plans to the department is not an employee or otherwise retained by the owner of the water system, written acceptance of the final plans by the owner is required. A copy of the owner approval letter shall be included along with the submission of the plans to the department.
NR 811.10 Note Note: As an example, if an engineer is retained by a developer to design water main extensions which will be connected to a municipal system and eventually be owned by the municipality, the plans must be accepted in writing by the municipality prior to the submission of plans to the department.
NR 811.10 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 811.11 NR 811.11Resident project representative. A resident project representative shall be designated by the water supply owner or by the agent retained by the owner. The resident project representative shall be knowledgeable regarding the proposed construction, and be able to competently determine whether or not the improvements are being constructed in accordance with the department approved plans and specifications and the conditions of the approval. The project representative shall be present on the work site as needed to assure proper construction and installation of the improvements. Hiring a resident project representative does not negate the owner's responsibility to assure proper construction and installation.
NR 811.11 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
subch. II of ch. NR 811 Subchapter II — Source Development — Groundwater
NR 811.12 NR 811.12Wells.
NR 811.12(1)(1)General requirements. Any proposal which would result in a diversion from the Great Lakes basin requires department approval in accordance with s. 281.346, Stats. Wells shall be constructed in conformance with the following requirements:
NR 811.12(1)(a) (a) Termination above the ground surface.
NR 811.12(1)(a)1.1. All wells shall be terminated above the ground surface.
NR 811.12(1)(a)2. 2. The grouted protective well casing or alternatively, the top of a pitless unit, shall be terminated above grade a minimum of 12 inches above the concrete floor of a pumphouse or enclosure.
NR 811.12(1)(a)3. 3. The portion of the pump discharge piping for permanent wells that will contain the sampling faucets, water meter, valves and other appurtenances shall be exposed above the ground surface within a pumphouse building or enclosure that is secure, weatherproof, and has a concrete floor.
NR 811.12(1)(b) (b) Watertight construction. Permanent wells shall have watertight construction to such depth as may be required to exclude contamination. The depth shall be below the pumping water level except where exempted by the department on a case-by-case basis.
NR 811.12(1)(c) (c) Grout seal. Permanent wells shall have a grout seal surrounding the protective casing and liner casings. The grout seal shall be a minimum of 1.5 inches in thickness to the depths specified in ss. NR 811.14, 811.18, 811.19, and 811.20.
NR 811.12(1)(d) (d) Outer casings.
NR 811.12(1)(d)1.1. All outer casings used in the construction of permanent wells shall be removed during or after the grouting process unless the exterior of the outer casing is grouted in place to the native formation with neat cement having a minimum thickness of 1.5 inches.
NR 811.12(1)(d)2. 2. The grout level shall be retained above the bottom of the casing during removal of the casing.
NR 811.12(1)(d)3. 3. Starter casings 10 feet in depth or less may be left in place provided that they are incorporated into the pump base in accordance with ss. NR 811.31 (1) and 811.32 (1).
NR 811.12(1)(e) (e) Minimum protective casing. All permanent wells shall have a minimum of 60 feet of grouted protective casing, wherever practicable. Continuous disinfection shall be provided for wells with less than 60 feet of grouted protective casing.
NR 811.12(1)(f) (f) Bacteriologically safe water for drilling. All wells shall be constructed using water from a known bacteriologically safe source that will not contaminate the aquifer. Untreated surface water or untested groundwater shall not be used. A detectable free chlorine residual shall be maintained in the well during drilling operations.
NR 811.12(1)(g) (g) Test wells. Test wells may be drilled to determine aquifer water quantity and quality prior to constructing a final well. Test wells are subject to all of the following requirements:
NR 811.12(1)(g)1. 1. Test wells shall be drilled for permanent wells proposed in unconsolidated formations to determine geologic formation information and water quality and quantity data.
NR 811.12(1)(g)2. 2. Test wells to be converted to permanent wells or test wells to be pumped at a rate of 70 gallons per minute or more for a period of more than 72 hours shall be approved by the department prior to their construction.
NR 811.12(1)(g)3. 3. The department may not require test wells for replacement or additional wells drilled on the same well site unless the geology is highly variable or in locations where the formation yield, cone of depression, and water quality are not known to a high degree of certainty.
NR 811.12(1)(g)4. 4. The department may require a test well where water quality data or geologic data for consolidated formations is not available.
NR 811.12(1)(g)5. 5. Test wells may be converted to permanent wells only if all test well casings and screens are removed prior to reconstructing the well to be converted to the permanent well.
NR 811.12 Note Note: The department recommends that test wells be sampled for regulated drinking water contaminants to ensure the permanent well produces water that meets the drinking water quality standards specified under ch. NR 809.
NR 811.12(1)(h) (h) Flowing wells.
NR 811.12(1)(h)1.1. Flowing wells shall be provided with a valve to control the flow. The valve shall be throttled as much as practicable to prevent the erosion of the confining bed and to prevent waste of water. The control valve shall be closed if the flow ceases.
NR 811.12(1)(h)2. 2. Flow to waste piping shall be metal pipe welded to the protective well casing or pitless unit a minimum of 6 inches above the pumphouse floor. The piping shall extend horizontally through the concrete pump base and include a check valve and a shut-off valve on the portion of the piping located inside the building. The piping shall terminate outside the pumphouse with a screened downturned pipe elbow and a minimum 2 pipe diameter free air break over the top of a storm sewer inlet structure or other department approved location.
NR 811.12(1)(h)3. 3. Every practicable effort shall be made to install the grouted casing below the confining bed.
NR 811.12(1)(i) (i) Materials used as drilling aids, such as drilling muds and foam or other aids shall be compounds approved by the department. Such materials shall be NSF/ANSI Standard 61 approved as required in s. NR 810.09 (5).
NR 811.12(1)(j) (j) The department may require additional or more stringent well construction requirements on a case by case basis when necessary to minimize the entrance of naturally occurring or synthetic contaminants into the well.
NR 811.12(1)(k) (k) The water system owner shall provide notice of the well construction or reconstruction to the department's regional drinking water representative at least 48 hours prior to the date and time of initiating work.
NR 811.12(2) (2) Well driller requirements. All wells constructed or reconstructed after December 1, 2010, shall be constructed or reconstructed by a well driller licensed or registered by the state of Wisconsin under ch. 280, Stats., and ch. NR 146. A licensed well driller or a registered drilling rig operator shall be on-site during all well drilling, as defined in s. NR 811.02 (77).
NR 811.12 Note Note: Chapter NR 146 contains the registration requirements for well drillers.
NR 811.12(3) (3) Well construction reports. The well driller shall forward to the department, and send a copy to the owner, of a completed Wisconsin Well Construction Report within 30 days of the date of completion of a new well. The well driller shall forward to the department, and send a copy to the owner, of a revised Wisconsin Well Construction Report within 30 days of the date of completion of a reconstructed well. A well reconstruction report is required when a well is deepened, partially backfilled or when installing or removing well casings or screens.
NR 811.12(4) (4) Interference between community water system wells. When the department determines that a proposed community water system well may have a substantial effect on the water levels in one or more wells owned by a neighboring water utility, the following procedure shall be followed:
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.