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SPS 382.36(13)(b)1. 1. Accumulated solids or byproduct removal requirements.
SPS 382.36(13)(b)2. 2. Identification of safety hazards.
SPS 382.36(13)(b)3. 3. Cleaning and inspection schedule.
SPS 382.36(13)(b)4. 4. Inspection and maintenance checklist, including at least the following items:
SPS 382.36(13)(b)4.b. b. Disinfection units.
SPS 382.36(13)(b)4.c. c. Sedimentation chambers.
SPS 382.36(13)(b)4.d. d. Detention devices.
SPS 382.36(13)(b)4.e. e. Infiltration systems.
SPS 382.36(13)(b)5. 5. Start up and shutdown procedures.
SPS 382.36(13)(b)6. 6. Vector control requirements.
SPS 382.36(13)(b)7. 7. A contingency plan in the event of system failure.
SPS 382.36(13)(c) (c) Plan location. The operation and maintenance plan shall remain onsite and be available for inspection when requested by the department.
SPS 382.36(13)(d) (d) Record of maintenance. When requested the owner shall make available for inspection all maintenance records to the department or agent for the life of the system.
SPS 382.36 History History: Cr. Register, February, 1985, No. 350, eff. 3-1-85; r. and recr. (3) (a) and (b) 1., (c) 1. and (11) (a) 4., cr. (3) (c) 3., Register, May, 1988, No. 389, eff. 6-1-88; renum. (13) (a) and (b) to be (b) and (c) and am. (b) 1., cr. (3) (b) 3. and (13) (a), r. (3) (c) 3. and (13) (intro.), Register, August, 1991, No. 428, eff. 9-1-91; reprinted to correct error in (5) (e) 2., Register, October, 1991, No. 430; am. (3) (b) 1., (c) 1. a., (13) (b) 1. and (c), cr. (11) (a) 5., Register, February, 1994, No. 458, eff. 3-1-94; r. and recr. (11) (a) 2. and 5., Register, April, 1998, No. 508, eff. 5-1-98; renum. and am. (3) (b) 3. a. to be (3) (b) 3. and (3) (b) 3. b. to be (3) (b) 4., Register, April, 2000, No. 532, eff. 7-1-00; am. (3) (b) 3., (4) (a), (5) (a) and (6) (a), cr. (3) (b) 5. and Table 82.36-4a, Register, December, 2000, No. 540, eff. 1-1-01; CR 02-002: r. and recr. (3), (11) (a) 3., (13) (a) 2., (15) (a) and (b), am. (5) (e) (intro.), (10), (12), (14) and Table 82.36-4 Register April 2003 No. 568, eff. 5-1-03; CR 04-035: r. and recr. Register November 2004 No. 587, eff. 12-1-04; CR 07-069: cr. (7) (d) 10. Register February 2008 No. 626, eff. 3-1-08; CR 08-055: am. (4) (b) 3. and (8) (a) 4., r. and recr. (11) Register February 2009 No. 638, eff. 3-1-09; correction in (2), (3) (c), (4) (a), (6) (a) 1. b., 2. b., 3., (c) 1., 2., (d), (7) (c) 2., (d) 2., 4., 5., 6., 7., 10. a., (9) (b), (11), (c), (12) (b) 1., 2. b. made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672.
SPS 382.365 SPS 382.365 Stormwater and clearwater subsurface infiltration plumbing systems.
SPS 382.365(1) (1) Scope. The provisions of this section set forth the requirements for the design, installation and maintenance of stormwater and clearwater subsurface infiltration plumbing systems serving building sites.
SPS 382.365 Note Note: The department of natural resources has registration requirements for class V injection wells. See ch. SPS 382 Appendix for further explanatory material.
SPS 382.365(2) (2)Site and soil evaluation.
SPS 382.365(2)(a)(a) Site evaluation. A site evaluation shall be conducted in accordance with the methods and standards as provided in s. SPS 385.40 (3) (a).
SPS 382.365(2)(b) (b) Soil evaluation.
SPS 382.365(2)(b)1.1. A soil evaluation shall be conducted in accordance with the methods and standards as provided in s. SPS 385.30 (1) (c).
SPS 382.365(2)(b)2. 2. Individuals qualified to conduct soil evaluation under this subsection shall be an individual that maintains either a registration as provided in s. SPS 305.33 or a license as provided in ch. GHSS 4.
SPS 382.365(3) (3)Infiltration system design.
SPS 382.365(3)(a)(a) Influent quality. For stormwater and clearwater infiltration plumbing systems, the influent quality shall comply with the requirements in Table 382.70-1 for subsurface infiltration and irrigation.
SPS 382.365(3)(b) (b) In situ soil requirements.
SPS 382.365(3)(b)1.1. Except as provided in subd. 2., the minimum depth of suitable in situ soil for infiltration systems shall be as specified in Table 382.365-1 to separate the system from the highest groundwater elevation or bedrock. When groundwater mounding calculations affect the depth to seasonal groundwater, the depth of suitable soil shall be measured to the calculated elevation of mounded groundwater.
SPS 382.365(3)(b)2. 2. For roof runoff or where treatment has afforded an equivalent level of water quality, the depth of in situ soil shall be no less than one foot of materials finer than coarse sand.
SPS 382.365 Note Note: See ch. SPS 382 Appendix for representative water quality levels. - See PDF for table PDF - See PDF for table PDF
SPS 382.365(3)(c) (c) Hydraulic application rates. The maximum hydraulic application rate for stormwater and clearwater subsurface infiltration plumbing systems shall be in accordance with one of the following methods.
SPS 382.365(3)(c)1. 1. The maximum hydraulic application rate shall be determined by soil analysis in accordance with sub. (2) (b) and Table 382.365-2.
SPS 382.365(3)(c)2. 2. The maximum hydraulic application rate shall be determined by field measurement using a nationally-accepted method and the correction factor as determined using Table 382.365-3. To determine the maximum hydraulic application rate, the measured infiltration rate at the infiltrative surface shall be divided by the correction factor as listed in Table 382.365-3. - See PDF for table PDF
SPS 382.365 Note a Use sandy loam design infiltration rates for fine sand, loamy fine sand, very fine sand, and loamy fine sand soil textures.
SPS 382.365 Note b Infiltration rates represent the lowest value for each textural class presented; based on Rawls et al., 1998 [Use of Soil Texture, Bulk Density and Slope of Water Retention Curve to Predict Saturated Hydraulic Conductivity, ASAE, Vol. 41(2), pp. 983-988].
SPS 382.365 Note c Infiltration rate is an average, based on Rawls et al., 1982 (Estimation of Soil Water Properties, Transactions of the American Society of Agricultural Engineers Vol. 25, No. 5 pp. 1316 –1320 and 1328) and Clapp & Hornberger, 1978 (Empirical equations for some hydraulic properties. Water Resources Research 14:601-604). - See PDF for table PDF - See PDF for table PDF
SPS 382.365 Note a Ratio is determined by dividing the design infiltration rate from Table 382.365-2 for the textural classification at the bottom of the infiltration device by the design infiltration rate from Table 382.365-3 for the textural classification of the least permeable soil horizon. The least permeable soil horizon used for the ratio should be within five feet of the bottom of the device or to the depth of the limiting layer.
SPS 382.365(3)(d) (d) Groundwater mounding. Groundwater mounding consideration shall be included in the design of any stormwater and clearwater subsurface infiltration plumbing system that has a width that exceeds 15 feet and a depth to the estimated highest groundwater elevation.
SPS 382.365 Note Note: An acceptable model is provided by the USGS, webpage: http://water.usgs.gov/ogw/techniques.html.
SPS 382.365(3)(e) (e) Drain down time.
SPS 382.365(3)(e)1.1. Stormwater and clearwater subsurface infiltration plumbing systems shall be designed to drain within 72 hours after a storm event.
SPS 382.365(3)(e)2. 2. By design, ground surface ponding shall drain within 24 hours after a storm event.
SPS 382.365(3)(f) (f) Setbacks.
SPS 382.365(3)(f)1.1. Stormwater and clearwater subsurface infiltration plumbing systems shall be located as provided in Table 382.365-4, except for irrigation systems. - See PDF for table PDF
SPS 382.365(3)(f)2. 2. All stormwater and clearwater subsurface infiltration plumbing systems shall be separated from water wells by the applicable separation distances contained in chs. NR 811 and 812 or as otherwise approved by the department of natural resources.
SPS 382.365 Note Note: See ch. SPS 382 Appendix A-382.30 (11) (d) for material reprinted from ss. NR 811.12 (5) (d) and 812.08. Section NR 811.12 (5) (d) or 812.08 may have additional setback requirements.
SPS 382.365(4) (4)Installation.
SPS 382.365(4)(a)(a) Orientation. Except for subsurface irrigation systems, all of the following shall apply:
SPS 382.365(4)(a)1. 1. The longest dimension of a stormwater or clearwater subsurface infiltration plumbing system consisting in part of in situ soil shall be oriented along the surface contour of the site location, unless otherwise approved by the department.
SPS 382.365(4)(a)2. 2. The infiltrative surface of a stormwater or clearwater subsurface infiltration plumbing system consisting in part of in situ soil and located below the surface of the original grade shall be level.
SPS 382.365(4)(b) (b) Other requirements.
SPS 382.365(4)(b)1.1. A stormwater or clearwater subsurface infiltration plumbing system consisting in part of in situ soil may not be installed if the soil is frozen at the infiltrative surface.
SPS 382.365(4)(b)2. 2. Snow cover shall be removed before excavating or installing a stormwater or clearwater system component consisting in part of in situ soil.
SPS 382.365(4)(b)3. 3. For a stormwater or clearwater subsurface infiltration plumbing system consisting in part of in situ soil, the soil moisture content shall be evaluated immediately prior to installation of the component. If the soil evaluation at the infiltrative surface results in the sample capable of being rolled into a ¼ –inch wire, the installation may not proceed.
SPS 382.365 Note Note: To accomplish a field test for soil wetness, a soil sample the size of one's palm may be rolled to form at least a ¼-inch wire.
SPS 382.365(4)(b)4. 4. All vessels and pipes of a stormwater or clearwater subsurface infiltration plumbing system shall be bedded in accordance with a product approval under s. SPS 384.10 or a plan approval under s. SPS 382.20.
SPS 382.365(5) (5)Operation and maintenance.
SPS 382.365(5)(a)(a) General. Operation and maintenance shall be performed in accordance with the operation and maintenance plan submitted with the stormwater and clearwater subsurface infiltration plumbing system design and s. SPS 382.36 (13), where applicable.
SPS 382.365(5)(b) (b) Prohibited substance.
SPS 382.365(5)(b)1.1. Except as provided in subd. 2., no substance shall be discharged into a stormwater or clearwater subsurface infiltration plumbing system that results in exceeding the enforcement standards and preventive action limits specified in ch. NR 140 Tables 1 and 2 at a point of standards application, pursuant to s. 160.21 (2), Stats.
SPS 382.365 Note Note: For groundwater standard limits on various substances, refer to ch. NR 140 Table 1.
SPS 382.365(5)(b)2. 2. Pursuant to s. 160.19 (2) (a), Stats., the department has determined that it is not technically or economically feasible to require that a stormwater or clearwater subsurface infiltration plumbing system treat wastewater to comply with the preventive action limit for chloride specified in ch. NR 140 Table 2, as existed on June 1, 1998.
SPS 382.365 Note Note: Section 160.19 (2) (a), Stats., reads: "Each regulatory agency shall promulgate rules which define design and management practice criteria for facilities, activities and practices affecting groundwater which are designed, to the extent technically and economically feasible, to minimize the level of substances in groundwater and to maintain compliance by these facilities, activities and practices with preventive action limits, unless compliance with the preventive action limits is not technically and economically feasible."
SPS 382.365(5)(b)3. 3. Pursuant to s. 160.21 (2), Stats., the point of standards application relative to the performance of stormwater and clearwater subsurface infiltration plumbing systems is any of the following:
SPS 382.365(5)(b)3.a. a. Any point of present groundwater use for potable water supply.
SPS 382.365(5)(b)3.b. b. Any point beyond the boundary of the property on which the facility, practice or activity is located.
SPS 382.365(5)(c) (c) Deleterious substance. Substances deleterious to a stormwater or clearwater subsurface infiltration plumbing system shall be intercepted, diluted or treated in accordance with s. SPS 382.34 prior to the substance discharging into a stormwater or clearwater infiltration system.
SPS 382.365 History History: CR 04-035: cr. Register November 2004 No. 587, eff. 12-1-04; correction in (2) (a), (b) 1., 2., (3) (a), (b) 1., (c) 1., 2., (f) 1., (4) (b) 4., (5) (a), (c), Table 382.365-3 made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672.
SPS 382.37 SPS 382.37 Sanitation facilities and campgrounds.
SPS 382.37(1)(1) Composting systems.
SPS 382.37(1)(a)(a) Composting systems which employ water or other liquids as a transport medium for wastes shall conform with this subsection.
SPS 382.37 Note Note: Composting systems where water or other liquids are not employed as a transport medium are addressed under ch. SPS 391.
SPS 382.37(1)(b) (b) The materials, design, construction and performance of a composting system which employs water or other liquids as a transport medium for wastes shall conform to NSF Standard 41.
SPS 382.37(1)(c) (c) All composting systems shall be listed by a testing agency acceptable to the department.
SPS 382.37 Note Note: For a listing of agencies acceptable to the department, see ch. SPS 382 Appendix A-384.11.
SPS 382.37(1)(d)1.1. Components for the storage or treatment of wastes shall be continuously ventilated.
SPS 382.37(1)(d)2. 2. Ventilation ducts or vents for the composting system shall conform to s. SPS 382.31 (16).
SPS 382.37(1)(e)1.1. The disposal of the end product from a composting system shall be in accordance with 40 CFR Part 503, Standards for the Use or Disposal of Sewage Sludge.
SPS 382.37 Note Note: EPA materials relating to EPA 503, including, "Domestic Septage Regulatory Guidance: A Guide to the EPA 503 Rule", are available from the Office of Water Resource, US EPA, 401 M Street SW, Washington D.C. 20460.
SPS 382.37(1)(e)2. 2. The disposal of any liquid from a composting system shall be either to a publicly owned treatment works or a POWTS conforming to ch. SPS 383.
SPS 382.37(1)(f) (f) The connection of potable water supplies to a composting system shall be protected in accordance with s. SPS 382.41.
SPS 382.37(1)(g) (g) The drainage systems for the composting system shall conform to the applicable requirements of ss. SPS 382.30 to 382.36 and the manufacturer's specifications.
SPS 382.37(2) (2)Sanitary dump stations.
SPS 382.37(2)(a)(a) Sanitary dump stations which are used to receive domestic wastes and domestic wastewater from the holding tanks of travel trailers, recreational vehicles or other similar mobile vehicles, and transfer containers shall conform with this subsection.
SPS 382.37 Note Note: See ch. SPS 382 Appendix A-382.37 (2) for further explanatory material.
SPS 382.37(2)(b) (b) The drain receptor for a sanitary dump station shall be at least 4 in diameter.
SPS 382.37(2)(c)1.1. The drain receptor shall be provided with a self-closing cover.
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