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Oklahoma Administrative Code (Last Updated: March 11, 2021) |
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TITLE 252. Department of Environmental Quality |
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Chapter 627. Operation and Maintenance of Water Reuse Systems |
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Subchapter 3. Operation and Maintenance |
SECTION 252:627-3-4. Requirements for using Category 5 reclaimed water
Latest version.
- (a) Operation and maintenance. The following operation and maintenance requirements shall apply to areas where Category 5 reclaimed water is used for irrigation:(1) Fencing. Suppliers are responsible for ensuring that any required fencing is maintained in order to prevent unauthorized access to the site.(2) Signs. Suppliers are responsible for ensuring that the required signs, which describe the nature of the facility and advise against trespassing are posted on or near the fence on each side of the water reuse site.(3) Legal access and control of site. Suppliers shall ensure that Category 5 reclaimed water is applied on sites to which suppliers have legal access and control pursuant to the provisions of OAC 252:656-25-2(d).(4) Prohibition in public use area. Category 5 reclaimed water shall not be applied to any public use areas.(5) Equipment maintenance. Suppliers shall ensure that all irrigation equipment is maintained and in working order.(b) Restrictions. Suppliers shall not irrigate with Category 5 reclaimed water:(1) from a lagoon cell that receives raw sewage;(2) from any cell other than the one specified in the permit;(3) on any food crop that may be consumed raw;(4) on grain crops such as corn, wheat and oats, less than thirty (30) days before harvest;(5) at rates that allow a discharge from the permitted water reuse site;(6) within one hundred feet (100') of the permitted boundary of the site;(7) at a rate that exceeds the nitrogen and phosphorus rates for the crop grown at the site;(8) at a rate that results in phytotoxicity;(9) when the reclaimed water has a dissolved oxygen concentration of less than 2.0 mg/l;(10) during periods of precipitation or while the soil is saturated or frozen;(11) on land having a slope greater than five percent (5%); and(12) where there are berms or other barriers on a water reuse site that would cause the pooling or ponding of reclaimed water at the water reuse site, nor shall any berms or barriers impede the natural flow of stormwater from the site.