Table 2

Table 2.20 Iron (mg/l) data for the 1998-99 monitoring period at the Lower Cape Fear River Program stations.
The North Carolina state standard for Iron in freshwater is 1000 mg/l. There is no salt water
standard in North Carolina.

DWQ#	72	73	86	87	88	89	90	91
month	NAV	HB	M61	M54	M42	M35	M23	M18
JUN	1600	1380	875	800	550	400	230	245
JUL	1550	975	565	575	600	515	340	300
AUG	825	875	550	750	550	500	350	350
SEP	1750	1630	1050	1030	950	875	700	700
OCT	3000	1430	875	1100	600	425	240	165
NOV	1400	1430	550	640	625	315	300	300
DEC	1370	1220	505	540	265	175	225	350
JAN	2610	2050	1390	950	575	375	330	540
FEB	1660	1750	1550	1690	1880	1200	540	565
MAR	1040	1580	800	2130	450	375	500	440
APR	1180	750	925	840	710	540	275	400
MAY	1130	1080	1030	990	910	710	500	375
mean	1593	1346	889	1003	722	534	378	394
std dev	606	366	320	449	391	266	143	142
max	3000	2050	1550	2130	1880	1200	700	700
min	825	750	505	540	265	175	225	165

DWQ#	59	92	61	71	84		DWQ#	79	80	83
month	NC11	DP	AC	IC	NCF117		month	SAR	LRC	BC117
JUN	1230	1140	1680	1500	925		JUN	1400	895	1250
JUL	675	725	950	1050	490		JUL	1330	950	690
AUG	475	550	925	950	500		AUG	2000	1230	1380
SEP	875	1880	1500	2000	1080		SEP	5500	3000	2500
OCT	875	1040	1550	1800	1300		OCT	1240	2060	750
NOV	650	775	1050	1380	800		NOV	675	850	525
DEC	525	550	825	1380	925		DEC	590	1150	675
JAN	5750	5750	3130	1350	540		JAN	465	575	830
FEB	2940	2880	2630	1810	540		FEB	525	1150	1600
MAR	775	775	700	750	540		MAR	525	625	900
APR	490	840	825	910	325		APR	1710	1250	2220
MAY	1100	1050	1150	1130	620		MAY	1360	885	1750
mean	1363	1496	1410	1334	715		mean	1443	1218	1256
std dev	1468	1430	729	377	277		std dev	1319	651	620
max	5750	5750	3130	2000	1300		max	5500	3000	2500
min	475	550	700	750	325		min	465	575	525