020-21 Wyo. Code R. §§ 21-9 - Site Isolation Requirements

No person shall reuse treated wastewater on an application site except in accordance with the restrictions specified below.

(a) Isolation of spray irrigation systems.

(i) Wind drift shall not leave the application site.

(ii) If Class A or Class B wastewater is reused for irrigation, a 30 foot buffer zone is required between the reuse site and adjacent property lines. Public right-of-ways may be utilized to meet this requirement for a buffer zone.

(iii) If Class C wastewater is reused for irrigation a 100 foot buffer zone is required between the reuse site and adjacent property lines and any public right-of-way.

(iv) A 30 foot separation distance is required between reuse sites and all surface waters.

(v) A 100 foot separation distance is required between reuse sites and all potable water supply wells.

(vi) Surface runoff shall not leave the application site.

(b) Isolation distances between reuse sites irrigated by flood irrigation systems.

(i) Surface runoff shall not leave the application site.

(ii) If Class A or Class B wastewater is reused for irrigation, a 30 foot buffer zone is required between the reuse site and adjacent property lines. Public right-of-ways may be utilized to meet this requirement for a buffer zone.

(iii) If Class C wastewater is reused for irrigation, a 30 foot buffer zone is required between the reuse site and adjacent property lines and any public right-of-way.

(iv) A 30 foot separation distance is required between reuse sites and all surface waters.

(v) A 100 foot separation distance is required between reuse sites and all potable water supply wells.

(c) Drip irrigation systems. The buffer zone requirements of Section 9(a) (ii) and 9(b) (ii) for Class A and B wastewaters may be met by the use of drip irrigation systems.

Notes

020-21 Wyo. Code R. §§ 21-9