Tap Water Quality in Grace Plains, SA
Postcode 5502 · Supplied by SA Water via Barossa
Quality Score
About Grace Plains
Grace Plains is a suburb of 61 residents in South Australia (postcode 5502). The median age is 41. It falls within the SA Water area. Neighbouring suburbs include Korunye, Reeves Plains, Redbanks, Fischer.
Most residents own outright (65%), while 31% own their home with a mortgage, while 0% rent. The median household income is $84,448 per year.
Tap water in Grace Plains is supplied by SA Water. The suburb receives water via the Barossa supply zone.
Water quality summary
Based on 2025 water quality reports, Grace Plains achieves a WaterScore of 9.4 out of 10, rated excellent overall. Water hardness measures 138 mg/L, classified as hard. Residents may notice limescale buildup on appliances and fixtures. The water is fluoridated at 0.6 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 0.6 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 391 mg/L, considered moderate against the ADWG guideline of 600 mg/L. Turbidity is 0.25 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: Korunye , Reeves Plains , Redbanks
Census Data
Suburb snapshot
Population
Median Age
Median Income
Owner-occupied
Recommended filters for Grace Plains
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 Grace Plains — reduces hardness from 138 mg/L, removes chlorine taste and odour.
YARNA
Capacitive Electronic Water Descaler (Whole House)
4 · 538 ratings on Amazon
Ideal for Grace Plains — helps reduce limescale buildup from hard water (138 mg/L) without removing hardness minerals.
Nakii
Water Filter Pitcher (150 Gallons)
4.4 · 6,827 ratings on Amazon
Ideal for Grace Plains — removes chlorine taste and odour.
Comparison
How Grace Plains compares
Compared to South Australia and national averages
| Metric | Grace Plains | SA Avg | National Avg |
|---|---|---|---|
| Hardness | 138 mg/L | 119.3 mg/L | 80.3 mg/L |
| pH | — | 8.6 | 7.8 |
| Fluoride | 0.6 mg/L | 0.5 mg/L | 0.7 mg/L |
| Chlorine | 0.6 mg/L | — | — |
| Turbidity | 0.25 NTU | 0.1 NTU | 0.4 NTU |
| TDS | 391 mg/L | 341.5 mg/L | 267.4 mg/L |
Full Results
Detailed water quality data
All values compared against Australian Drinking Water Guidelines (ADWG)
| Parameter | Value | Unit | ADWG Guideline | Status |
|---|---|---|---|---|
| Alkalinity | 65 | mg/L | No limit | Measured |
| Aluminium | 0.019 | mg/L | < 0.2 | Good |
| Calcium | 27.9 | mg/L | No limit | Measured |
| Chloride | 127 | mg/L | < 250 | Good |
| Free Chlorine | 0.6 | mg/L | < 5 | Good |
| Total Chlorine | 0.7 | mg/L | < 5 | Good |
| Colour | 1 | HU | < 15 | Good |
| Copper | 0.0157 | mg/L | < 2 | Good |
| E. coli | 0 | cfu/100mL | < 0 | Compliant |
| Fluoride | 0.6 | mg/L | < 1.5 | Good |
| Hardness | 138 | PPM or mg/L | < 200 | Good |
| Iron | 0.0828 | mg/L | < 0.3 | Good |
| Lead | 0.0005 | mg/L | < 0.01 | Good |
| Magnesium | 16.7 | mg/L | No limit | Measured |
| Manganese | 0.0041 | mg/L | < 0.1 | Good |
| Nitrate | 0.18 | mg/L | < 50 | Good |
| Sodium | 73.7 | mg/L | < 180 | Good |
| Sulfate | 59.2 | mg/L | < 500 | Good |
| Total Dissolved Solids | 391 | mg/L | < 600 | Good |
| Turbidity | 0.25 | NTU | < 5 | Good |
Safety
Safety assessment
Based on 20 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 (138 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.
Data unavailable
pH Level
pH data is not currently available for Grace Plains.
Fluoridated
Fluoride
Fluoride at 0.6 mg/L. Within the recommended 0.6–1.1 mg/L range for dental health.
Chlorine
Disinfection
Chlorine measured at 0.6 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 .
Advice
Practical tips for residents
Chlorine Levels Are Low
Chlorine in Grace Plains measures 0.6 mg/L, which is low. Filling a jug and letting it stand for 30 minutes will reduce any residual taste.
Watch for Limescale
Grace Plains has hard water at 138 mg/L. Wipe taps and showerheads periodically with vinegar to prevent limescale buildup on fixtures.
Fluoride in Your Water
Fluoride measures 0.6 mg/L in Grace Plains. 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 391 mg/L. A reverse osmosis filter can reduce dissolved minerals if you prefer a cleaner taste in drinking water.
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FAQ
Frequently asked questions
Is tap water safe to drink in Grace Plains?
How hard is the water in Grace Plains?
What water utility supplies Grace Plains?
Does Grace Plains water have fluoride?
What is the water quality score for Grace Plains?
What is the population of Grace Plains?
Supplier
Water utility
- Utility
- SA Water
- Supply Zone
- Barossa
- 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 8.4 and 10.0
Utility reports average the grid — not your home
Grace Plains'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 Grace Plains
Cite
Cite this page
Free to quote and reuse with a credit to WaterScore and a link to this page. Journalists and researchers can find key figures and contacts on our press and data page.
WaterScore. (2026). Tap water quality in Grace Plains, SA [Data set]. Compiled from SA Water data (2025 report). https://waterscore.com.au/water-quality/grace-plains-sa/
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Related
Explore more
Related pages for Grace Plains, SA
Is tap water safe?
Safety assessment
Water hardness
138 mg/L
Best water filter
Filter recommendations
South Australia water quality
State coverage
SA Water
Water utility
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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.