1. (a) The operation of all sites which manage septage through land application shall comply with:

   1. (1) The federal regulations as specified in 40 CFR part 503; and
   2. (2) The requirements specified herein.
2. (b) No septage shall be land applied on frozen or snow covered ground or when the ground is saturated due to precipitation or flooding.
3. (c) No septage shall be land applied on agricultural land which has a slope greater than 15 percent, that is, a 15 foot rise in 100 feet.
4. (d) Septage land applied on agricultural land or forested land which has a slope greater than 8 percent shall be applied in no fewer than 4 separate applications, each of which is no more than 25 percent of the total agronomic rate, at least 48 hours apart.
5. (e) Septage shall be land applied in an even layer so as not to result in ponding or runoff of material.
6. (f) Prior to septage stabilization and land application, septage shall be screened or otherwise processed in accordance with the management plan submitted and approved in accordance with Env-Wq 1608.08 to remove all visible or identifiable plastics and all other non-biodegradable solids.
7. (g) No septage shall be land applied on poorly or very poorly drained soils.
8. (h) No septage shall be land applied in a floodway.
9. (i) Animals shall not be grazed on land on which septage has been land applied until 45 days after the last application of septage unless methods to reduce adherence to the crop or vegetation are used in conformance with the approved management plan.

10. (j) Land application sites shall be posted, for the life of the permit, with signs which:

    1. (1) Contain the emergency contact name and telephone number of the operator printed with block letters not less than 2 inches in height;
    2. (2) State: “NO TRESPASSING - Septage land application site” printed with block letters not less than 2 inches in height;
    3. (3) Contain the name and address of the owner or lessee of the property; and
    4. (4) Are located at gates, bars, and commonly-used entrances.
11. (k) Only domestic septage as defined in Env-Wq 1602.11, excluding portable toilet and marine sanitation device waste, shall be land applied.
12. (l) If the annual agronomic soil test report recommendations provide that no phosphorus is required for the permitted field(s), then no septage containing phosphorus shall be land applied until a subsequent soil test report includes recommendations of the need for phosphorus.
13. (m) All agronomic soil tests shall include recommendations for at least nitrogen, phosphorus, and potassium.

Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Wq 1600) #13944, eff 4-27-24