7 Del. Admin. Code § 7103-96.0

Current through Register Vol. 28, No. 4, October 1, 2024

Section 7103-96.0 - Table 703-1 Water Balance Calculations

Month	Evapa	Percb	Precipc	D(allowed)	D(allowed)
	(in)	(in)	(in)	(in/month)	(in/week)d
1	2	3	4	5=(2+3-4)	6=(5/4.3)
January	0.1	14.9	4.6	10.4	2.4
February	0.1	13.4	4.3	9.3	2.2
March	0.7	14.9	5.3	10.3	2.4
April	1.9	14.4	4.9	11.4	2.7
May	3.4	14.9	5.2	13.1	3.0
June	4.9	14.4	5.2	14.1	3.3
July	5.6	14.9	7.0	13.5	3.1
August	5.1	14.9	7.4	12.6	2.9
September	4.2	14.4	6.8	11.8	2.7
October	2.0	14.9	5.0	11.9	2.8
November	0.9	14.4	4.9	10.4	2.4
December	0.2	14.9	5.2	9.9	2.3
Total 29

96.1 aThornthwaite average monthly potential evapotranspiration.

96.2 bBased on the number of days per month, a saturated vertical hydraulic conductivity (0.2 in/hr), and a design percolation factor of 10 percent.

96.3 cFive-year return, monthly precipitation.

96.4 dThe maximum allowable monthly hydraulic wastewater loading divided by an average 4.3 weeks/month.

7 Del. Admin. Code § 7103-96.0