State Well Codes

75 ft.

Must have 2 yr. experience. Must obtain license from Board.

Well and pump equipment to be disinfected w/ 100 ppm chlorine w/2 hr minimum contact time and then chlorine solution flushed from the system. Drilling water must be potable or uncontaminated chlorinated water w/minimum of 100 ppm chlorine. Disinfection for well repair requires concentration of 200 ppm.

Cross Connections prohibited unless equipped w/ break tank or backflow preventer.

Joints to be water-tight by cleaning & cementing in accordance w/ manufacturer\'s specifications. To have SDR of 26 or stronger & may be plain end w/ threaded connector.

Joints to be threaded, welded, or glued. To be water-tight & grouted from land surface to min depth of 10 ft. below surface. To extend at least 10 ft. below min seasonal stage of water table. Wells may not be completed in salt water zones.

Above-grade connection into top or side of well casing to be 12 inches above land surface and must exclude dirt & foreign material via threaded or welded , rubber expansion sealers, bolted flanges w/ rubber gaskets, or overlapping cap. If pump is mounted or sealed to pedestal, casing shall extend ≥ 1 inch into base of pedestal and ≥ 8 inches above land surface.

To be water-tight.

"If well is uncontaminated and not in alluvium or terrace deposits authorized by the Board, fill well with uncontaminated, compacted drill cuttings and/or uncontaminated surface clay, cement, bentonite pellets or granules, or high solids (min. 20% solids by dry wt) bentonite grout to w/in 14 ft of land surface, and min. of 10 ft of annular space and interior of casing shall be filled w/cement grout to at least 4 ft below land surface. Top of casing to be properly sealed w/ pitless adapter cap, sanitary well seal, or cap if
temporarily abandoned"

Casing to be cut so that surface will fit flush w/ well cap & be water-tight. Casing to extend at least 3 ft. above 100-yr flood elevation when well is located in flood plain. Casing to terminate min of 12 in. above finished grade.

Not required for flowing wells when flow rate is > pumping rate of permanent pump. To be on all well caps & seals except for deep well single pipe packer jet installations. To be self-draining, screened, & point downward. To terminate not < 12 in. above ground surface, basement floor, offset, pump room, or 3 ft. above 100 yr flood elevation. If casing I.D. ≤ 6 inches, total vent surface area shall be at least 3/4 inch diameter. For casing I.D >6 inch, total vent surface area to be at least 1 inch diameter.

Well screens that meet the specifications described in paragraph (K) of rule 3701-28- 09 of the Administrative Code shall be installed in wells completed in unconsolidated or incompetent formations, unless geologic formation conditions prevent their use. Screens shall be attached either directly to the bottom of the 7 casing, or if installed using telescoping methods to a K-packer that meets the specification described in paragraph (M) of rule 3701-28- 09 of the Administrative Code. Shale traps shall not be used in place of a K-packer. Well screens shall not be installed less than ten feet from the natural ground surface nor shall they be driven.

To meet ANSI/NSF 60 or 61 or be of food grade quality and not discharged to surface water. Must not contain guar gum or other biodegradable organic materials.

If well located in pit or vault and is being altered to include additional equipment, a new wall must be constructed to separate the well from the other equipment. Wall shall be of sufficient strength and watertight, O.D. casing to be ≥ 12 inches from outside edge of new wall to allow for 12 inches of backfill around casing. If pit is constructed or altered to include additional private water components, like pump and pressure tank, must either add a drainage outlet w/backflow protection to existing pit or vault to eliminate possibility of standing water, or install backflow prevention device where water service line enters the vault of pit.

Casing to be sufficiently straight & vertical.

Thermoplastic casing to be threaded onto pitless unit before it is solvent cemented to casing top.

Lead packers prohibited, materials must be approved. To be 95% siliceous material that is smooth, uniform, free of foreign matter, properly sized, washed, & disinfected.

Casing to meet requirements for new casing. Must prevent contamination during construction, alteration, or maintenance periods. Promptly replace parts if not repairable, promptly repair if deterioration/defect may allow contamination. Well must be disinfected according to rule 3701-28-11after maintenance or repair.

Underground or aboveground fuel oil, diesel, chemical or gasoline storage tanks other refined or unrefined petroleum liquids - 300 ft.

Underground or aboveground fuel oil, diesel, chemical or gasoline storage tanks other refined or unrefined petroleum liquids - 50 ft.

150 ft.

10 ft. minimum except within 5 ft of foundation where both lines enter building and they must cross. In this case, minimum of 12 vertical inches between the lines, preferably water line above sewer line. At crossings, water pipe should be located so that joints are minimum of 10 ft from sewer line, and 20 ft section pipe sleeve installed on either line, with sleeve sealed at both ends. Water and sewer lines may not share same trench except where they must cross.

50 ft.

10 ft from right of way, 25 ft from edge of road surface or 10 ft from road utility easement, whichever greater.

50 ft.

1000 ft.

100 ft.

Land application, storage or staging area - 300 ft, surface land application area - 200 ft, subsurface incorporation application area - 100 ft.

100 ft.

Private water systems contractors to be registered annually w/ Ohio Department of Health.

Must achieve min. solids content of 20% bentonite by weight of water. Synthetic organic polymers that meet ANSI/NSF standard 60 may be added to slurries, shall be placed by pressure grouting by approved methods. Slurry shall not be used if TDS of water exceeds 1500 mg/L unless determined dissolved iron levels are <15 mg/L, chloride <500 mg/L, and calcium < 500 mg/L. Coarse grade or pelletized bentonite not to be used when TDS exceeds 1500 mg/L and total volume of sealing materials shall not be less than 80% of total volume required to fill space. To meet NSF 60 & may include high solids bentonite using powdered bentonite for drilling fluids, granular bentonite for dry pouring or driving, coarse grade for mixing as slurry, coarse grade or pelletized for dry pouring. If dry pouring, must use pouring and screening methods described in paragraph H of rule 3701-28-09 of the Administrative Code, annular space must be ≥ 2 inches per side, coarse grade bentonite used if ≤ 200 ft depth, granular & pelletized bentonite not to be dry poured >25 ft depth into dry annular space, or through drilling fluids. Water used for mixing slurries shall be treated to remove excess minerals that might interfere with bentonite hydration.

All new, repaired or altered wells must be disinfected w/approved materials. If total casing length 15-25 ft, requires continuous disinfection in accordance w/rule 3701-28-15 or may be installed where isolation distances are doubled, and testing can meet bacterial standards in paragraph (J) of rule 3701-28-04 for two samples collected during opposite seasons within a one year period. Wells w/<15 ft casing require continuous disinfection and cyst reduction in accordance with rule 3701-28-15 of the Administrative Code, no variances will be permitted. All wells must be disinfected following maintenance and repair, Approved procedure outlined in section (F) 3701-28-11 rule of Administrative code. All water samples shall be collected and processed in accordance with rule 3701-28-04 of the Administrative Code.

Required of private water system has a physical cross-connection to another private water system. All backflow prevention devices installed on a service line shall comply with ASSE 1013, 1015 or 1024.

Casing joints & couplings must be watertight throughout and meet ASTM F480 & ANSI/NSF 14. Spline lock joints permitted and do not need to meet ASTM F480. To be SDR 21 or greater, but to be SDR 17 if diameter is >8 inches. Must be marked with pipe size, SDR, type of plastic, words "well casing", IC, spec#, manuf name or trademark, certification mark for ANSI/NSF 14. Couplings to be marked with nominal casing pipe coupling size, type of plastic, designation of compliance w/ASTM F480 and ANSI/NSF 14, and manuf name or trademark. Well casing joints that are solvent welded shall meet ASTM F480 and ANSI/NSF 14.

All must meet current Water Systems Council pitless adapter standard, and fit securely, watertight, and be vented. Electrical connections on caps or seals to be threaded and sealed to prevent entrance of insects and water. Approved cap to be used at all times for wells where pitless or distribution lines not yet installed. No holes to be installed in well cap, except for venting in floodplain or methane gas control.

Sealing materials approved for use in rule 3701-28-09 of the Administrative Code. Seal wells w/ cement grout, bentonite grout, or clean clay, sand, or gravel within 30 days. If water flows from around outside of casing or gravel pack connects two or more hydraulic zones, well to be overdrilled. Casing to be removed, ripped, or perforated, and remaining casing to be cut off to min of 2 ft. below grade or at cement floor if finished in cement floor. Placement by pressure methods from bottomry upward in continuous operation. May be gravity poured if no water present in hole. If borehole conditions and geologic formations are known, clean sand, gravel or fire clay may be placed from bottom of well to top of aquifer, or to 25 ft below ground surface, whichever encountered first. Special procedures for flowing wells and non-flowing wells in multiple aquifers, dug wells, well constructed using a bucket and auger, wells drilled in fractured or cavernous formations, see 13701-18-17 (J) to (O). Well pits shall be removed by collapsing at least one wall, breaking up the floor, and removing all drains.

Test for yield.

Shall be minimal 2 inch diameter and installed in wells in unconsolidated or unconsolidated-consolidated material to minimize entrance of fine materials into well.

Shall be sufficiently straight and vertical to allow normal installation and operation of pump.

Lead packers, lead plugs, or lead wool shall not be used as a well component.

Aerobic unit, watertight effluent line to distribution box, 50 ft. Septic system components (non-watertight) 100 ft. , 50 ft.

100 ft.

100 ft.

Produce max yield while clearing well of sand, silt, & turbidity through air lift, bailing, surging, jetting, hydrofracturing and/or chemical treatment until free sand and rock cuttings removed.

Must have minimum of 1 ft of casing above, and 19 ft below finished grade. Total minimum required casing length of 20 ft. If located in well house, floor of well house must be 6 inches above finished grade, and casing must finish 6 inches above well house floor. Casing must of sufficient strength. Steel pipe to meet ASTM A53, A106, A500, or A589, or API 5L. Thermoplastic or PVC may be used if not driven and if sealed with grout and must meet NSF or UL drinking water standards. Driven casing to be fitted with drive shoe. Casing extensions shall be of same material as existing casing. 2 inches minimum diameter for wells in sand or gravel formation, 6 inch minimum for bedrock wells. Part 5, Subpart 5-1 Standards for Water Wells - Appendix 5B Table 2. standards for Well Casing, Grouting, Diameter, and Screens.

Contact municipal authorities first to determine local regulations. Remove equipment, materials, debris, and any obstructions. Disinfect well using soln of calcium hypochlorite containing approx. 65-75% available chlorine. Common household bleach may be too weak. Calcium hypochlorite products containing fungicides, algicides, or other disinfectants should be avoided. Casing w/open annual space should be grouted or removed. Where grouted, cut casing off at least 24 inched below grade. If located in building, upon completion of grouting, casing should be filled to floor level with no <12 inches cement. Casing should be cut off not >3 inches from floor. If terminate in well pit, casing should be cut of not <12 inches below the grade established when the pit is filled. Top of casing should be sealed. Steel casings sealed with welded steel plate: PVC casings sealed w/permanently affixed PVC cap. Screened portion should be filled with clean sand or gravel, and should be no less permeable than formation around well screen, and should extend no >3ft above top of screen. Fill entire well and annular space w/grout. See NYSDEC Water Well Decommissioning for additional recommendations on materials and flowing wells http://www.dec.ny.gov/lands/86955.html or contact NYDEC Bureau of Water Resources-Division of Water at 518-402-8086.

Minimum 2 inch thickness, seal annular space with neat cement, cement grout, concrete grout or bentonite chips from minimum 50 ft sealing depth to 20 ft below surface, and neat cement, cement grout or concrete grout from 20 ft below surface to surface. Minimum sealing depth may differ for water quality and contamination issues, or artesian conditions according to subsection 1 of NAC 534.370, NAC 534.375, subsection 1 of NAC 534.378 or or paragraph (b) of subsection 1 of NAC 534.390. If the well is regulated by the Bureau of Safe Drinking Water of the Division of Environmental Protection of the State Department of Conservation and Natural Resources, the annular space must be sealed in accordance with NAC 445A.66905. If pitless adapter used, seal must begin no more than 5 ft below surface and must extend at least 50 ft below bottom of pitless adapter. Increase depth of seal to 100 ft if located within 1/4 mile of a river, lake, perennial stream unlined reservoir or unlined canal. No perforations are allowed in production casing to depth of 100 ft. Seal must be placed or directly supervised by licensed well driller.

Except as otherwise provided in NAC 534.315 subsection 8, permits to appropriate groundwater are not required for the drilling of wells for domestic use.

If well is drilled w/in 0.25 mi. of river, lake, stream, or canal, perforations in casing not allowed to 100 ft. depth. Must be sealed to depth of 100 ft. Check with county health department or governing body for separation distances.

To be neat cement, cement, concrete, or bentonite grout.