North Richmond 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

NORTH RICHMOND DAM (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	**
Nepean River N42	No. of results	14	0	0	14	14	0	14	14	14	0	0	0
	Minimum	1	.	.	1.0	6.8	.	7	350	2.5	.	.	.
	Average	-	-	-	1.6	8.9	.	10	580	3.5	.	.	.
	Maximum	17	.	.	3.2	13.3	.	13	930	4.9	.	.	.

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

** no guideline set for Raw Water

ANNUAL

NORTH RICHMOND DAM (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	**
Nepean River N42	No. of results	52	0	0	52	52	0	52	52	52	0	0	0
	Minimum	1	.	.	1.0	4.8	.	7	260	2.1	.	.	.
	Average	.	.	.	2.3	9.0	.	14	650	5.5	.	.	.
	Maximum	260	.	.	6.5	13.3	.	27	1060	15.0	.	.	.

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

** no guideline set for Raw Water