Nepean Inflows - Fourth Quarter 2003/2004

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-> Quarterly Water Quality Reports -> Fourth Quarter 2003/2004 -> Water Quality Data

Quarterly Results
Annual Results

QUARTERLY

NEPEAN INFLOWS (RAW WATER) 1 April 2004 to 30 June 2004
		MICROBIOLOGICAL			PHYSICAL / CHEMICAL
		*E. Coli*	*Giardia*	*Crypto*	turbidity	dissolved oxygen	Phosphorus	Nitrogen	Chlorophyll a	Iron	aluminium	Manganese
		(Orgs /100mL)	cysts /100L	oocysts /100L	(NTU)	(mg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)
	Reference levels*	**	**	**	**	>6	5-50	100-500	2-10	<1000	<100	**
Nepean River (Dry weather)	No. of results	2	0	0	2	2	2	2	2	2	2	2
	Minimum	19	.	.	2.3	9.4	8	170	1.1	692	19	39
	Average	-	-	-	2.7	10.1	8	205	1.7	773	21	41
	Maximum	70	.	.	3.1	10.7	8	240	2.2	854	22	43
Nepean River (Wet weather)	No. of results	2	0	0	2	2	2	2	2	2	2	2
	Minimum	36	.	.	4.3	9.0	18	460	2.8	284	71	22
	Average	-	-	-	6.9	9.5	21	475	4.4	752	185	26
	Maximum	1100	.	.	9.5	10.0	24	490	6.0	1220	298	29
Burke River (Dry weather)	No. of results	3	0	0	3	3	3	3	3	3	3	3
	Minimum	1	.	.	1.6	8.3	4	50	<0.1	795	21	22
	Average	-	-	-	1.9	9.7	5	73	0.2	982	43	23
	Maximum	2	.	.	2.3	10.9	5	100	0.5	1100	70	24
Burke River (Wet weather)	No. of results	1	0	0	3	1	3	3	1	3	3	3
	Minimum	650	.	.	5.1	9.6	13	230	0.6	505	181	32
	Average	-	-	-	19.1	9.6	26	427	0.6	3055	365	137
	Maximum	650	.	.	40.5	9.6	52	640	0.6	5980	500	264

* Australian Water Quality Guidelines for Fresh and Marine Waters, ANZECC, 1992.

** no guideline set

ANNUAL

NEPEAN INFLOWS (RAW WATER) 1 July 2003 to 30 June 2004
		MICROBIOLOGICAL			PHYSICAL / CHEMICAL
		*E. Coli*	*Giardia*	*Crypto*	turbidity	dissolved oxygen	Phosphorus	Nitrogen	Chlorophyll a	Iron	aluminium	Manganese
		(Orgs /100mL)	cysts /100L	oocysts /100L	(NTU)	(mg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)
	Reference levels*	**	**	**	**	>6	5-50	100-500	2-10	<1000	<100	**
Nepean River (Dry weather)	No. of results	5	0	0	5	5	5	5	5	5	5	5
	Minimum	19	.	.	2.3	7.6	8	170	1.1	667	13	23
	Average	-	-	-	3.3	9.2	13	284	3.0	769	69	44
	Maximum	75	.	.	5.5	10.7	19	410	6.3	854	253	59
Nepean River (Wet weather)	No. of results	9	0	0	9	9	9	9	9	9	9	9
	Minimum	10	.	.	3.4	8.3	13	290	2.8	284	52	18
	Average	-	-	-	5.4	9.6	18	464	8.5	524	117	40
	Maximum	1100	.	.	9.5	11.1	24	740	12.8	1220	298	116
Burke River (Dry weather)	No. of results	13	0	0	13	13	13	13	13	13	13	13
	Minimum	0	.	.	1.5	7.2	4	50	<0.1	506	21	11
	Average	-	-	-	2.0	9.3	6	93	0.5	881	50	27
	Maximum	96	.	.	3.1	11.5	8	140	2.0	1360	88	63
Burke River (Wet weather)	No. of results	3	0	0	5	1	5	5	3	5	5	5
	Minimum	16	.	.	3.1	9.6	7	110	0.5	505	47	18
	Average	-	-	-	13.0	9.6	20	308	0.6	2284	242	94
	Maximum	650	.	.	40.5	9.6	52	640	0.7	5980	500	264

* Australian Water Quality Guidelines for Fresh and Marine Waters, ANZECC, 1992.

** no guideline set