Tap Water Quality in Indulkana (Iwantja), SA
Postcode 0872 · Supplied by SA Water via Indulkana
Quality Score
About Indulkana (Iwantja)
Indulkana (Iwantja) is a suburb in South Australia, Australia (postcode 0872). It falls within the SA Water area. Neighbouring suburbs include Indulkana, Iwantja, Mintabie, De Rose Hill.
Tap water in Indulkana (Iwantja) is supplied by SA Water. The suburb receives water via the Indulkana supply zone.
Water quality summary
Based on 2025 water quality reports, Indulkana (Iwantja) achieves a WaterScore of 9.1 out of 10, rated excellent overall. Water hardness measures 147 mg/L, classified as hard. Residents may notice limescale buildup on appliances and fixtures. The pH level is 6.9, which is within the ADWG guideline range of 6.5–8.5. The water is fluoridated at 0.16 mg/L, well under the ADWG maximum of 1.5 mg/L. Total dissolved solids (TDS) measure 429 mg/L, considered moderate against the ADWG guideline of 600 mg/L. Turbidity is 1.25 NTU, within the ADWG guideline of 5 NTU. E. coli was not detected in testing, meeting the ADWG standard for microbiological safety.
Recommended filters for Indulkana (Iwantja)
Products matched to your water profile
iSpring
RCC7AK 6-Stage Under-Sink RO (with Alkaline Re-min)
4.6 · 13,756 ratings on Amazon
Ideal for Indulkana (Iwantja) — reduces hardness from 147 mg/L.
AO Smith
Salt-Free Whole House Descaler (6yr / 600,000 Gal)
4.3 · 1,517 ratings on Amazon
Ideal for Indulkana (Iwantja) — helps reduce limescale buildup from hard water (147 mg/L) without removing hardness minerals.
Purewell
8.5L Stainless Steel Gravity System
4.4 · 1,137 ratings on Amazon
A reliable 8.5l stainless steel gravity system suitable for Indulkana (Iwantja)'s water profile.
Comparison
How Indulkana (Iwantja) compares
Compared to South Australia and national averages
| Metric | Indulkana (Iwantja) | SA Avg | National Avg |
|---|---|---|---|
| Hardness | 147 mg/L | 119.3 mg/L | 85.1 mg/L |
| pH | 6.9 | 3.2 | 8.4 |
| Fluoride | 0.16 mg/L | 0.5 mg/L | 0.7 mg/L |
| Turbidity | 1.25 NTU | 0.1 NTU | 0.4 NTU |
| TDS | 429 mg/L | 341.5 mg/L | 275.7 mg/L |
Full Results
Detailed water quality data
All values compared against Australian Drinking Water Guidelines (ADWG)
| Parameter | Value | Unit | ADWG Guideline | Status |
|---|---|---|---|---|
| Alkalinity | 78 | mg/L | No limit | Measured |
| Aluminium | 0.001 | mg/L | < 0.2 | Good |
| Calcium | 33.9 | mg/L | No limit | Measured |
| Chloride | 148 | mg/L | < 250 | Good |
| Colour | 1 | HU | < 15 | Good |
| Copper | 0.0152 | mg/L | < 2 | Good |
| E. coli | 0 | MPN/100mL | < 0 | Compliant |
| Fluoride | 0.16 | mg/L | < 1.5 | Good |
| Hardness | 147 | PPM or mg/L | < 200 | Good |
| Iron | 0.1288 | mg/L | < 0.3 | Good |
| Lead | 0.0028 | mg/L | < 0.01 | Good |
| Magnesium | 14.96 | mg/L | No limit | Measured |
| Manganese | 0.0038 | mg/L | < 0.1 | Good |
| Nitrate | 8.9 | mg/L | < 50 | Good |
| pH | 6.9 | pH units | 6.5 – 8.5 | Normal |
| Sodium | 86.5 | mg/L | < 180 | Good |
| Sulfate | 47.5 | mg/L | < 500 | Good |
| Total Dissolved Solids | 429 | mg/L | < 600 | Good |
| Turbidity | 1.25 | NTU | < 5 | Good |
Safety
Safety assessment
Based on 19 parameters tested, all results fall within Australian Drinking Water Guidelines. E. coli was not detected, meeting the ADWG standard for microbiological safety.
Based on comparison with Australian Drinking Water Guidelines (ADWG)
Explained
What these numbers mean
Hard (147 mg/L)
Water Hardness
Your water is classified as hard. Expect noticeable limescale on heating elements, showerheads, and taps. Soap and shampoo may not lather as freely, requiring more product. Some residents report drier skin or hair. Periodic descaling of kettles and hot water systems is recommended to maintain efficiency.
Normal Range
pH Level
pH of 6.9 is within 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 0.16 mg/L. Below the recommended range.
Data unavailable
Disinfection
Chlorine data is not currently available for Indulkana (Iwantja).
Learn more about these measurements in our water quality glossary — including Hardness , pH , Fluoride , and ADWG guidelines .
Advice
Practical tips for residents
Watch for Limescale
Indulkana (Iwantja) has hard water at 147 mg/L. Wipe taps and showerheads periodically with vinegar to prevent limescale buildup on fixtures.
Fluoride in Your Water
Fluoride measures 0.16 mg/L in Indulkana (Iwantja). Australian guidelines allow up to 1.5 mg/L. This is added by utilities to support dental health in the community.
Consider a Filter for TDS
Total dissolved solids measure 429 mg/L. A reverse osmosis filter can reduce dissolved minerals if you prefer a cleaner taste in drinking water.
Sediment Filtration
Turbidity is 1.25 NTU in Indulkana (Iwantja). A sediment pre-filter on your main line can help reduce fine particles and improve water clarity at the tap.
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We'll email you when Indulkana (Iwantja)'s water data is updated.
FAQ
Frequently asked questions
Is tap water safe to drink in Indulkana (Iwantja)?
How hard is the water in Indulkana (Iwantja)?
What water utility supplies Indulkana (Iwantja)?
Does Indulkana (Iwantja) water have fluoride?
What is the water quality score for Indulkana (Iwantja)?
Supplier
Water utility
- Utility
- SA Water
- Supply Zone
- Indulkana
- Data Source
- SA Water — water quality performance results november 2025
Nearby
Nearby suburbs
Same water utility, similar water quality
Similar Quality
Suburbs with similar water quality
Suburbs scoring between 8.1 and 10.0
Utility reports average the grid — not your home
Indulkana (Iwantja)'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 Test (100 strips)
4.6 · 8,650 ratings on Amazon
Tests 6 parameters in 60 seconds: hardness, chlorine, pH, nitrate, nitrite, alkalinity. Cheapest way to verify your utility data.
Test my tap →Sponsored Amazon link. Check Amazon for current price and availability.
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 →Sponsored Amazon link. Check Amazon for current price and availability.
Guides for Adelaide and SA
In-depth articles on the water supply that serves Indulkana (Iwantja)
Related
Explore more
Related pages for Indulkana (Iwantja), SA
Is tap water safe?
Safety assessment
Water hardness
147 mg/L
Best water filter
Filter recommendations
South Australia water quality
State coverage
SA Water
Water utility
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Indulkana (Iwantja) vs Indulkana
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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.