N.H. Code Admin. R. Env-Wq 402.10

Current through Register No. 25, June 20, 2024

Section Env-Wq 402.10 - Nitrate Setbacks

(a) Minimum nitrate setback distances to property lines shall be as set forth in Table 402-1 below:

Table 402-1: Minimum Nitrate Setback Distance To Property Line

Design Flow (gpd) For each system	Hydraulically Down-gradient (feet)	Hydraulically Side-gradient (feet)	Hydraulically Up-gradient (feet)
1,001 - 1,100	55	28	14
1,101 - 1,200	60	30	15
1,201 - 1,300	65	33	17
1,301 - 1,400	70	35	18
1,401 - 1,500	75	38	19
1,501 - 1,600	80	40	20
1,601 - 1,700	85	43	22
1,701 - 1,800	90	45	23
1,801 - 1,900	95	48	24
1,901 - 2,000	100	50	25
2,001 - 2,100	105	53	27
2,101 - 2,200	110	55	28
2,201 - 2,300	115	58	29
2,301 - 2,400	120	60	30
2,401 - 2,500	125	63	32
2,501 - 3,000	150	75	37
3,001 - 3,500	175	88	44
3,501 - 4,000	200	100	50
4,001 - 4,500	225	113	57
4,501 - 5,000	250	125	63
5,001 - 6,000	275	138	69
6,001 - 7,000	300	150	75
7,001 - 8,000	320	160	80
8,001 - 9,000	340	170	85
9,001 - 10,000	350	175	88
10,001 - 15,000	435	213	107
15,001 - 19,999	500	250	125

(b) Any discharge of wastewater from a nursing home or medical care facility shall meet the minimum nitrate setback distances established in Table 402-1, regardless of whether a groundwater discharge permit is needed or not.

N.H. Code Admin. R. Env-Wq 402.10

(See Revision Note at part heading for Env-Wq 402) #8955, eff 7-26-07

Amended by Volume XXXVI Number 10, Filed March 10, 2016, Proposed by #11036, Effective 3/1/2016, Expires 3/1/2026.