TABLE 2.

Data for RS and ES obtained in 1997 and 1998

Location	Samples	No. of samples	Arithmetic mean (maximum)								Median (maximum)
			Turbidity (NTU)	pH	Runoff (liters/s)	Nitrate (mg/liter)	Nitrite (mg/liter)	Ammonia (mg/liter)	Total phosphorus (mg/liter)	Borate (mg/liter)	CC 20°C (CFU/ml)	CC 37°C (CFU/ml)	E. coli (CFU/100 ml)	Coliforms (CFU/100 ml)	Fecal streptococci (CFU/100 ml)	C. perfringens (CFU/100 ml)	Giardia (cysts/100 liters)	Cryptosporidium (oocysts/100 liters)
Nauholzbach	RS	16	1.30 (3.80)	7.18 (7.50)	49.29 (190.00)	6.84 (10.90)	0.00 (0.02)	0.00 (0.00)	0.01 (0.05)	0.00 (0.04)	444.50 (1,730.00)	69.50 (339.00)	22.00 (148.00)	1,110.00 (15,000.00)	7.50 (400.00)	1.50 (31.00)	0.00 (1.10)	2.40 (52.20)
	ES	7	47.38 (93.80)	6.98 (7.30)	139.06 (317.00)	11.43 (13.90)	0.00 (0.00)	0.00 (0.00)	0.09 (0.40)	0.02 (0.04)	3,480.00 (10,629.00)	327.00 (849.00)	190.00 (650.00)	12,200.00 (42,000.00)	130.00 (620.00)	82.00 (155.00)	0.00 (0.00)	11.40 (35.50)
Kall	RS	26	3.57 (10.20)	7.43 (7.70)	290.78 (1,783.32)	13.94 (22.20)	0.01 (0.09)	0.04 (0.19)	0.01 (0.10)	0.07 (0.11)	595.00 (46,300.00)	185.00 (12,000.00)	133.00 (11,000.00)	1,880.00 (400,000.00)	54.00 (11,000.00)	22.50 (198.00)	0.95 (11.10)	2.65 (10.30)
	ES	11	28.25 (54.30)	7.05 (7.40)	1,276.78 (2,732.00)	10.58 (15.40)	0.07 (0.13)	0.24 (0.46)	0.08 (0.30)	0.11 (0.18)	50,500.00 (114,000.00)	5,550.00 (37,000.00)	1,300.00 (3,800.00)	19,800.00 (63,000.00)	540.00 (4,600.00)	250.00 (900.00)	0.00 (21.00)	14.30 (65.60)
Wahnbach	RS	25	11.45 (36.00)	7.55 (8.00)	459.54 (2,118.00)	17.22 (33.90)	0.10 (0.40)	0.15 (1.46)	0.15 (0.62)	0.13 (0.27)	1,110.00 (16,500.00)	332.00 (1,850.00)	490.00 (5,100.00)	3,800.00 (74,000.00)	130.00 (2,200.00)	130.00 (900.00)	1.10 (9.10)	1.30 (23.10)
	ES	14	56.99 (125.30)	7.33 (7.50)	1,040.46 (2,747.00)	10.43 (20.10)	0.09 (0.14)	0.34 (1.70)	0.25 (0.50)	0.18 (0.35)	37,400.00 (77,000.00)	8,010.00 (14,700.00)	13,700.00 (34,500.00)	88,000.00 (1,180,000.00)	13,600.00 (77,000.00)	430.00 (2,500.00)	12.40 (21.60)	17.05 (147.10)