Great Swamp Ten Towns Committee Water Quality Monitoring
Two Year Nutrient and Hydrologic Budget
June 1999 – May 2001
Loantaka Brook
F. X. Browne, Inc.
June 1999 – May 2000
Block	Baseflow (mgal)	Concentrations (mg/l)					Loads (lbs)
		TP	DRP	NO2/NO3	TKN	TSS	TP	DRP	NO2/NO3	TKN	TSS
June - July	142.94	0.28	0.194	6.7	0.42	17.2	333.97	231.40	7991.54	500.96	20515.59
Aug - Nov	491.77	0.25	0.206	8.7	0.23	5.5	1025.90	845.34	35701.16	943.82	22569.70
Dec - Mar	673.45	0.115	0.035	4.26	1.19	5.3	646.26	196.69	23939.67	6687.37	29784.10
Apr - May	343.25	0.132	0.072	4.82	1.29	8	378.09	206.23	13805.85	3694.93	22914.28
Totals	1651.42						2384.21	1479.65	81438.22	11827.09	95783.67
June 2000 – May 2001
Block	Baseflow (mgal)	Concentrations (mg/l)					Loads (lbs)
		TP	DRP	NO2/NO3	TKN	TSS	TP	DRP	NO2/NO3	TKN	TSS
June - July	242.87	0.244	0.226	6.23	0.42	3	494.50	458.02	12625.96	851.19	6079.92
August	126.62	0.189	0.068	5.93	1.18	9.5	199.69	71.85	6265.41	1246.74	10037.34
September	110.61	0.35	0.280	8.89	0.52	8.2	323.05	258.44	8205.57	479.97	7568.69
October	141.85	0.158	0.133	8.05	0.40	2.0	187.02	157.43	9528.37	473.46	2367.30
November	137.79	0.27	0.22	8.64	0.21	17	310.44	252.95	9934.17	241.46	19546.39
Dec - Feb	628.87	0.175	0.092	8.01	0.88	7.6	918.33	482.78	42033.30	4617.89	39881.78
Mar - Apr	464.91	0.25	0.102	2.90	1.30	23	969.86	395.70	11250.38	5043.27	89227.11
May	128.06	0.30	0.197	6.85	1.01	44	320.58	210.51	7319.88	1079.28	47018.23
Totals	1981.58						3723.47	2287.68	107163.03	14033.26	221726.76
June 1999 – May 2000
Month	Stormflow (mgal)	Concentrations (mg/l)					Loads (lbs)
		TP	DRP	NO2/NO3	TKN	TSS	TP	DRP	NO2/NO3	TKN	TSS
June	6.55	0.38	0.115	2.73	1.5	108	20.76	6.28	149.17	81.96	5901.23
July	1.67	0.38	0.115	2.73	1.5	108	5.28	1.60	37.96	20.86	1501.59
August	29.61	0.38	0.115	2.73	1.5	108	93.89	28.41	674.53	370.62	26684.58
September	137.22	0.38	0.115	2.73	1.5	108	435.12	131.68	3125.96	1717.56	123664.42
October	68.86	0.38	0.115	2.73	1.5	108	218.34	66.08	1568.62	861.88	62055.31
November	42.60	0.38	0.115	2.73	1.5	108	135.08	40.88	970.46	533.22	38391.76
December	58.26	0.38	0.115	2.73	1.5	108	184.73	55.90	1327.11	729.18	52501.11
January	53.92	0.38	0.115	2.73	1.5	108	170.96	51.74	1228.21	674.84	48588.59
February	152.31	0.38	0.115	2.73	1.5	108	482.96	146.16	3469.67	1906.41	137261.60
March	84.09	0.38	0.115	2.73	1.5	108	266.64	80.69	1915.61	1052.53	75782.51
April	81.94	0.38	0.115	2.73	1.5	108	259.82	78.63	1866.63	1025.62	73844.78
May	105.72	0.38	0.115	2.73	1.5	108	335.24	101.46	2408.46	1323.33	95279.60
Totals	822.74						2608.83	789.51	18742.39	10298.02	741457.09
June 2000 – May 2001
Month	Stormflow (mgal)	Concentrations (mg/l)					Loads (lbs)
		TP	DRP	NO2/NO3	TKN	TSS	TP	DRP	NO2/NO3	TKN	TSS
June	52.26	0.38	0.115	2.73	1.5	108	165.72	50.15	1190.58	654.17	47099.95
July	79.94	0.38	0.115	2.73	1.5	108	253.48	76.71	1821.07	1000.59	72042.36
August	111.39	0.38	0.115	2.73	1.5	108	353.22	106.90	2537.60	1394.29	100388.72
September	31.58	0.38	0.115	2.73	1.5	108	100.12	30.30	719.30	395.22	28455.63
October	7.08	0.38	0.115	2.73	1.5	108	22.44	6.79	161.25	88.60	6378.99
November	94.88	0.38	0.115	2.73	1.5	108	300.85	91.05	2161.36	1187.56	85504.18
December	93.12	0.38	0.115	2.73	1.5	108	295.28	89.36	2121.32	1165.56	83920.26
January	108.66	0.38	0.115	2.73	1.5	108	344.55	104.27	2475.33	1360.07	97925.00
February	101.72	0.38	0.115	2.73	1.5	108	322.54	97.61	2317.23	1273.20	91670.63
March	190.79	0.38	0.115	2.73	1.5	108	604.98	183.09	4346.29	2388.07	171941.01
April	52.57	0.38	0.115	2.73	1.5	108	166.69	50.45	1197.57	658.01	47376.38
May	43.99	0.38	0.115	2.73	1.5	108	139.49	42.21	1002.11	550.61	39644.03
Totals	967.98						3069.37	928.89	22051.00	12115.93	872347.15
June 1999 – May 2000
Rainfall	39.69
June 2000 – May 2001
Rainfall	35.83