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Tap Water Quality in Old Calperum, SA

Postcode 5341 · Supplied by SA Water via Renmark

Current data · 2025 report

Quality Score

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About Old Calperum

Old Calperum is a suburb of 12 residents in South Australia (postcode 5341). The median age is 57. It falls within the SA Water area. Neighbouring suburbs include Renmark, Berri, Mundic Creek, Murtho.

Most residents own their home with a mortgage (75%), while 0% own outright, while 0% rent. The median household income is $143,000 per year.

Tap water in Old Calperum is supplied by SA Water. The suburb receives water via the Renmark supply zone.

Water quality summary

Based on 2025 water quality reports, Old Calperum achieves a WaterScore of 9.1 out of 10, rated excellent overall. Water hardness measures 65 mg/L, classified as moderately hard. This may cause light mineral deposits on fixtures over time. The pH level is 0.05, which is outside the ADWG guideline range of 6.5–8.5. The water is fluoridated at 0.7 mg/L, within the recommended range of 0.6–1.1 mg/L for dental health, well under the ADWG maximum of 1.5 mg/L. Chlorine, used for disinfection, measures 1 mg/L — well within the ADWG guideline of 5 mg/L. Some residents may notice a slight taste, which can be reduced by refrigerating water or using a carbon filter. Total dissolved solids (TDS) measure 204 mg/L, considered low against the ADWG guideline of 600 mg/L. Turbidity is 0.1 NTU, indicating clear water, within the ADWG guideline of 5 NTU. E. coli was not detected in testing, meeting the ADWG standard for microbiological safety.

Compare with nearby suburbs: Renmark , Berri , Mundic Creek

Suburb snapshot

Population

12

Median Age

57 years

Median Income

$2,750 /week

Owner-occupied

75%

Recommended filters for Old Calperum

Products matched to your water profile

Our top pick
BRITA Marella 2.4L Fridge Water Filter Jug

BRITA

Marella 2.4L Fridge Water Filter Jug (Maxtra+)

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Budget-friendly Matched to Old Calperum's water

Ideal for Old Calperum — removes chlorine taste and odour.

Waterdrop TSA 8-Layer Under-Sink Water Filter System

Waterdrop

TSA Under-Sink Filter (Fluoride + PFAS)

4.4 · 2,237 ratings on Amazon

Mid-range Matched to Old Calperum's water

A reliable tsa under-sink filter (fluoride + pfas) suitable for Old Calperum's water profile.

Purewell 8.5L Stainless Steel Gravity Water Filter System

Purewell

8.5L Stainless Steel Gravity System

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Mid-range Matched to Old Calperum's water

Ideal for Old Calperum — removes chlorine taste and odour.

How Old Calperum compares

Compared to South Australia and national averages

Metric Old Calperum SA Avg National Avg
Hardness 65 mg/L 119.3 mg/L 85.1 mg/L
pH 0.05 3.2 8.4
Fluoride 0.7 mg/L 0.5 mg/L 0.7 mg/L
Chlorine 1 mg/L
Turbidity 0.1 NTU 0.1 NTU 0.4 NTU
TDS 204 mg/L 341.5 mg/L 275.7 mg/L

Detailed water quality data

All values compared against Australian Drinking Water Guidelines (ADWG)

Parameter Value Unit ADWG Guideline Status
Alkalinity 50 mg/L No limit Measured
Aluminium 0.021 mg/L < 0.2 Good
Calcium 13.29 mg/L No limit Measured
Chloride 50 mg/L < 250 Good
Free Chlorine 1 mg/L < 5 Good
Total Chlorine 1.1 mg/L < 5 Good
Colour 1 HU < 15 Good
Copper 0.0154 mg/L < 2 Good
E. coli 0 cfu/100mL < 0 Compliant
Fluoride 0.7 mg/L < 1.5 Good
Hardness 65 PPM or mg/L < 200 Good
Iron 0.0074 mg/L < 0.3 Good
Lead 0.0001 mg/L < 0.01 Good
Magnesium 7.76 mg/L No limit Measured
Manganese 0.0028 mg/L < 0.1 Good
Nitrate 0.49 mg/L < 50 Good
pH 0.05 µg/L 6.5 – 8.5 Outside range
Sodium 40.8 mg/L < 180 Good
Sulfate 39.4 mg/L < 500 Good
Total Dissolved Solids 204 mg/L < 600 Good
Turbidity 0.1 NTU < 5 Good

Safety assessment

Of 21 parameters tested, most fall within Australian Drinking Water Guidelines with 1 exception: pH at 0.05 µg/L. E. coli was not detected, meeting the ADWG standard for microbiological safety.

Based on comparison with Australian Drinking Water Guidelines (ADWG)

What these numbers mean

Moderately hard (65 mg/L)

Water Hardness

Your water is moderately hard. You may notice light limescale deposits on kettle elements and taps over time. Soap lathers reasonably well, though slightly more product may be needed. Skin and hair are generally unaffected, and appliance lifespan should not be significantly reduced at this level.

Outside Range

pH Level

pH of 0.05 is outside the ideal range of 6.5–8.5. The ADWG recommends pH between 6.5 and 8.5 for drinking water.

Fluoridated

Fluoride

Fluoride at 0.7 mg/L. Within the recommended 0.6–1.1 mg/L range for dental health.

Chlorine

Disinfection

Chlorine measured at 1 mg/L, well within the ADWG guideline of 5 mg/L. Used for disinfection to keep water safe. May affect taste slightly — refrigerating water or using a carbon filter can help.

Learn more about these measurements in our water quality glossary — including Hardness , pH , Fluoride , and ADWG guidelines .

Practical tips for residents

Chlorine Levels Are Low

Chlorine in Old Calperum measures 1 mg/L, which is low. Filling a jug and letting it stand for 30 minutes will reduce any residual taste.

Soft Water Advantage

Old Calperum's water is moderately hard at 65 mg/L. You can use less soap and detergent, as it lathers easily with softer water.

Fluoride in Your Water

Fluoride measures 0.7 mg/L in Old Calperum. Australian guidelines allow up to 1.5 mg/L. This is added by utilities to support dental health in the community.

Slightly Acidic Water

pH measures 0.05 in Old Calperum, which is slightly acidic. Running the tap for 30 seconds before drinking can flush any metals that dissolve more readily in acidic water.

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Frequently asked questions

Is tap water safe to drink in Old Calperum?
Yes, tap water in Old Calperum is generally safe to drink. It scores 9.1 out of 10 on the WaterScore scale based on ADWG compliance. Water is supplied by SA Water. Of 21 parameters tested, most fall within Australian Drinking Water Guidelines with 1 exception: pH at 0.05 µg/L. E. coli was not detected, meeting the ADWG standard for microbiological safety.
How hard is the water in Old Calperum?
Water hardness in Old Calperum is 65 mg/L, classified as moderately hard. Your water is moderately hard. You may notice light limescale deposits on kettle elements and taps over time. Soap lathers reasonably well, though slightly more product may be needed. Skin and hair are generally unaffected, and appliance lifespan should not be significantly reduced at this level.
What water utility supplies Old Calperum?
Old Calperum is supplied by SA Water.
Does Old Calperum water have fluoride?
Yes, water in Old Calperum is fluoridated, with a fluoride level of 0.7 mg/L. This is within the recommended range for dental health.
What is the water quality score for Old Calperum?
Old Calperum has a WaterScore of 9.1 out of 10, rated excellent. This score is calculated by comparing water quality measurements against Australian Drinking Water Guidelines (ADWG) across parameters including hardness, pH, fluoride, chlorine, and turbidity.
What is the population of Old Calperum?
The population of Old Calperum, SA is 12 according to the 2021 Australian Census. The median age of residents is 57 years.

Water utility

Utility
SA Water
Supply Zone
Renmark
Data Source
SA Water — water quality performance results november 2025

Nearby suburbs

Same water utility, similar water quality

Suburbs with similar water quality

Suburbs scoring between 8.1 and 10.0

Utility reports average the grid — not your home

Old Calperum's water meets ADWG standards at the source, but old pipes, roof tanks, and ageing plumbing can add lead, copper or bacteria before the water reaches your tap. These won't show up in your utility report.

Check your own tap before buying a filter or assuming the suburb average matches your home.

Tetra EasyStrips 6-in-1 Water Quality Test Strips, 100-pack

Tetra

EasyStrips 6-in-1 Water Test (100 strips)

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Tests 6 parameters in 60 seconds: hardness, chlorine, pH, nitrate, nitrite, alkalinity. Cheapest way to verify your utility data.

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Heavy Metals Drinking Water Test Kit (20 packs)

Heavy Metals

Drinking Water Test Kit (Lead, Copper, Iron, Mercury)

4.2 · 250 ratings on Amazon

20 tests. Detects lead, copper, iron, mercury — the things utility reports miss. Mobile-app results, EPA-standard thresholds.

Check metals kit →

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Disclaimer: The information on this page is for general informational purposes only and does not constitute medical advice, health recommendations, or professional guidance. Water quality data is sourced from SA Water (2025 report) and reflects conditions at the time of utility testing — it may not reflect real-time water quality at your tap. Actual water quality can vary due to local plumbing, seasonal changes, and distance from the treatment plant. For specific health concerns, consult a qualified health professional. For the most current water quality information, contact your local water utility directly. See our Terms of Use.

BRITA Marella 2.4L Fridge Water Filter Jug

Chlorine · 1 mg/L — pool taste

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