Black Hills vs Derwent Bridge

Name: Water Quality Comparison: Black Hills vs Derwent Bridge
Creator: WaterScore
License: https://creativecommons.org/licenses/by/4.0/

Side-by-side tap water quality comparison

Derwent Bridge, TAS

9.8

Quality Score

Supplied by TasWater

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Which suburb has better water?

It's very close! Black Hills scores 9.8/10 and Derwent Bridge scores 9.8/10. Both suburbs have similar water quality based on ADWG compliance data.

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Visual comparison

Black Hills, TAS

Derwent Bridge, TAS

Key metrics comparison

Hardness (mg/L)

Black Hills

45.857143 Same

Derwent Bridge

45.857143 Same

pH Level

Black Hills

7.559231 Normal

Derwent Bridge

7.559231 Normal

Fluoride (mg/L)

Black Hills

—

Derwent Bridge

—

Chlorine (mg/L)

Black Hills

0.495192 Same

Derwent Bridge

0.495192 Same

Full water quality comparison

All parameters compared against Australian Drinking Water Guidelines (ADWG)

Parameter	Black Hills	Derwent Bridge	Unit	ADWG Guideline
Alkalinity	22.214286 Measured	22.214286 Measured	mg/L	No limit
Aluminium	0.033333 Good	0.033333 Good	mg/L	< 0.2
Ammonia	0.002 Measured	0.002 Measured	mg/L	No limit
Antimony	0.001 Measured	0.001 Measured	mg/L	No limit
Arsenic	0.001 Measured	0.001 Measured	mg/L	No limit
Cadmium	0.0002 Measured	0.0002 Measured	mg/L	No limit
Calcium	15.75 Measured	15.75 Measured	mg/L	No limit
Chloride	10 Good	10 Good	mg/L	< 250
Chromium	0.001 Measured	0.001 Measured	mg/L	No limit
Colour	2 Good	2 Good	Pt-Co	< 15
Conductivity	125 Measured	125 Measured	uS/cm	No limit
Copper	0.001083 Good	0.001083 Good	mg/L	< 2
Cyanide	0.005 Measured	0.005 Measured	mg/L	No limit
E. coli	0 Compliant	0 Compliant	MPN/100ml	< 0
Free Chlorine	0.495192 Good	0.495192 Good	mg/L	< 5
Hardness	45.857143 Good	45.857143 Good	mg/L	< 200
Iron	0.01 Good	0.01 Good	mg/L	< 0.3
Lead	0.001 Good	0.001 Good	mg/L	< 0.01
Magnesium	1.775 Measured	1.775 Measured	mg/L	No limit
Manganese	0.001 Good	0.001 Good	mg/L	< 0.1
Mercury	0.0001 Measured	0.0001 Measured	mg/L	No limit
Nickel	0.001 Measured	0.001 Measured	mg/L	No limit
Nitrate	0.046214 Good	0.046214 Good	mg/L	< 50
Nitrite	0.002 Measured	0.002 Measured	mg/L	No limit
pH	7.559231 Normal	7.559231 Normal	pH units	6.5 – 8.5
Sodium	5.15 Good	5.15 Good	mg/L	< 180
Sulfate	25.714286 Good	25.714286 Good	mg/L	< 500
Temperature	13.251282 Measured	13.251282 Measured	degrees C	No limit
Total Chlorine	0.6625 Good	0.6625 Good	mg/L	< 5
Total Coliforms	0 Compliant	0 Compliant	MPN/100ml	< 0
Total Dissolved Solids	82.714286 Good	82.714286 Good	mg/L	< 600
Trihalomethanes	0.030333 Good	0.030333 Good	mg/L	< 0.25
Turbidity	0.224103 Good	0.224103 Good	NTU	< 5
Zinc	0.001417 Measured	0.001417 Measured	mg/L	No limit

Explore further

Black Hills

Derwent Bridge

Disclaimer: This comparison is for general informational purposes only and does not constitute medical advice or professional guidance. Data is sourced from TasWater. Values shown are based on the most recent published water quality reports and may not reflect real-time conditions at your tap. Water quality can vary due to local plumbing, seasonal changes, and other factors. For specific health concerns, consult a qualified health professional or contact your local water utility. See our Terms of Use.