15 Miss. Code. R. 18-77-5.6.9

Current through December 10, 2024

Rule 15-18-77-5.6.9 - Existing System

In addition to the visual inspection conducted by the Environmentalist the following will apply:

1. The system must be inspected by a Certified Installer that is manufacturer's authorized representative to verify that the Subsurface Drip Irrigation System is functioning.

2. The manufacturer's authorized representative must furnish written verification, to the Department, that an inspection was made.

Figure I - Subsurface Drip Irrigation System (Example Sketch Only)

Click Here To View Image

Table I - SIZING - Drip Irrigation

Results of the Soil and Site Evaluation

Soil Textural Class	Loading Rate GPD/ Ft 2	Lf Per Bedroom	Additional Lf/Person Over 2 Person Per	Depth of Drip Line in Inches
Gravel	NOT SUITABLE
Coarse Sand	0.5	130	65	6-18
Medium Sand	0.5	130	65	6-18
Fine Sand	0.5	130	65	6-18
Loamy Sand	0.5	130	65	6-18
Sandy Loam	0.3	217	109	6-18
Light Loam	0.3	217	109	6-18
Heavy Loam	0.3	217	109	6-18
Silt Loam	0.3	217	109	6-18
Sandy Clay Loam	0.3	217	109	6-18
Light Clay Loam	0.15	434	217	6-18
Heavy Clay Loam	0.15	434	217	6-18
Light Silty Clay Loam	0.15	434	217	6-18
Heavy Silty Clay Loam	0.15	434	217	6-18
Sandy Clay	0.15	434	217	6-18
Silty Clay	0.05	1300	650	6-18
Clay	0.05	1300	650	6-18

Table II - SETBACK REQUIREMENTS FROM SENSITIVE WATER (Minimum Distance from the Water Edge)

Soil Textural Class	Slope of Less Than 8 Percent	Slope of More Than 8 Percent
Gravel	NOT APPLICABLE
Coarse Sand	100 feet	100 feet
Medium Sand	100 feet	100 feet
Fine Sand	100 feet	100 feet
Loamy Sand	100 feet	100 feet
Sandy Loam	100 feet	100 feet
Light Loam	50 feet	100 feet
Heavy Loam	50 feet	100 feet
Silt Loam	50 feet	100 feet
Sandy Clay Loam	50 feet	100 feet
Light Clay Loam	50 feet	100 feet
Heavy Clay Loam	50 feet	100 feet
Light Silty Clay Loam	50 feet	100 feet
Heavy Silty Clay	50 feet	100 feet
Sandy Clay	100 feet	100 feet
Silty Clay	100 feet	100 feet
Clay	100 feet	100 feet

Table III - Subsurface Drip Irrigation Pump Cycles (Minimum Requirements)

Pump Cycles/24 Hours	Gallons Pumped/Bedroom/Cycle	Additional Gallons Pumped Per Person Over 2 Per Bedroom
6	25	12.5
8	18.75	9.375
10	15	7.5
12	12.5	6.25

15 Miss. Code. R. 18-77-5.6.9

Miss Code Ann. § 41-67-3