Greaves Creek Storage - Fourth Quarter 2003/2004

Overview

Summary

Where does my water come from?

What is the quality of my water?

Water Quality Data

Water Quantity Data

Literature Review

Catchment Issues

Glossary

Frequently Asked Questions

Community Language Information

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

QUARTERLY

GREAVES CREEK (Raw Water) 1 April 2004 to 30 June 2004
		MICROBIOLOGICAL			PHYSICAL / CHEMICAL
		*E. coli*	*Giardia*	*Crypto*	turbidity	dissolved oxygen	True colour	Phosphorus	Nitrogen	Chlorophyll a	Iron	aluminium	Manganese
		Orgs /100mL	cysts /100L	oocysts /100L	(NTU)	(mg/L)	HU	(µg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)
	Reference levels*	**	**	**	**	>6	**	5-50	100-500	2-10	<1000	<100	**
Greaves Creek wall DGC 1	No. of results	5	0	0	5	37	5	5	5	3	5	5	5
	Minimum	0	.	.	1.6	7.8	5	6	160	7.0	198	34	14
	Average	-	-	-	1.7	9.2	7	6	190	8.2	351	50	19
	Maximum	7	.	.	1.9	11.1	8	6	210	10.1	505	67	26

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

** no guideline set for Raw Water

ANNUAL

GREAVES CREEK (Raw Water) 1 July 2003 to 30 June 2004
		MICROBIOLOGICAL			PHYSICAL / CHEMICAL
		*E. coli*	*Giardia*	*Crypto*	turbidity	dissolved oxygen	True colour	Phosphorus	Nitrogen	Chlorophyll a	Iron	aluminium	Manganese
		Orgs /100mL	cysts /100L	oocysts /100L	(NTU)	(mg/L)	HU	(µg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)	(µg/L)
	Reference levels*	**	**	**	**	>6	**	5-50	100-500	2-10	<1000	<100	**
Greaves Creek wall DGC 1	No. of results	25	0	0	25	178	25	25	25	13	25	25	25
	Minimum	0	.	.	1.1	6.0	5	5	160	0.5	198	34	13
	Average	-	-	-	1.9	8.4	11	7	274	4.6	311	116	24
	Maximum	550	.	.	4.3	11.1	25	20	430	10.1	577	516	40

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

** no guideline set for Raw Water