Tap Water Quality in Coffs Harbour Dc, NSW
Postcode 2450 · Supplied by Coffs Harbour Council via Prospect East
Quality Score
About Coffs Harbour Dc
Coffs Harbour Dc is a suburb of 27,089 residents in New South Wales (postcode 2450). The median age is 43. It falls within the Coffs Harbour Council area. Neighbouring suburbs include Bayldon, Boambee East, Sawtell, Toormina.
Most residents rent (40%), while 33% own outright, while 24% own their home with a mortgage. The median household income is $64,012 per year. The top countries of birth for residents are United Kingdom (19%), Iraq (8%), and New Zealand (8%).
Tap water in Coffs Harbour Dc is supplied by Coffs Harbour Council. The suburb receives water via the Prospect East, Coffs Harbour System supply zones.
Water quality summary
Based on 2024-25 water quality reports, Coffs Harbour Dc achieves a WaterScore of 9.5 out of 10, rated excellent overall. Water hardness measures 51.8 mg/L, classified as soft. This is gentle on appliances and skin, with minimal limescale buildup expected. The pH level is 7.9, which is within the ADWG guideline range of 6.5–8.5. The water is fluoridated at 1.01 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 0.04 mg/L — well within the ADWG guideline of 5 mg/L. Total dissolved solids (TDS) measure 137 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: Bayldon , Boambee East , Sawtell
Census Data
Suburb snapshot
Population
Median Age
Median Income
Owner-occupied
Recommended filters for Coffs Harbour Dc
Products matched to your water profile
ZeroWater
2.8L 5-Stage Jug (IAPMO Certified: PFOA/PFOS + Lead)
4.2 · 5,315 ratings on Amazon
Ideal for Coffs Harbour Dc — removes fluoride (currently 1.01 mg/L).
Geekpure
5-Stage Under-Sink RO (75 GPD)
4.4 · 400 ratings on Amazon
Ideal for Coffs Harbour Dc — removes fluoride (currently 1.01 mg/L).
Purewell
8.5L Stainless Steel Gravity System
4.4 · 1,137 ratings on Amazon
A reliable 8.5l stainless steel gravity system suitable for Coffs Harbour Dc's water profile.
Comparison
How Coffs Harbour Dc compares
Compared to New South Wales and national averages
| Metric | Coffs Harbour Dc | NSW Avg | National Avg |
|---|---|---|---|
| Hardness | 51.8 mg/L | 45.9 mg/L | 85.3 mg/L |
| pH | 7.9 | 7.7 | 7.8 |
| Fluoride | 1.01 mg/L | 1 mg/L | 0.7 mg/L |
| Chlorine | 0.04 mg/L | — | — |
| Turbidity | 0.1 NTU | 0.2 NTU | 0.4 NTU |
| TDS | 137 mg/L | 116.3 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 |
|---|---|---|---|---|
| Iron | 0.008 | mg/L | < 0.3 | Good |
| Aluminium | 0.014 | mg/L | < 0.2 | Good |
| Manganese | 0.0021 | mg/L | < 0.1 | Good |
| Copper | 0.014 | mg/L | < 2 | Good |
| Zinc | 0.002 | mg/L | No limit | Measured |
| Ammonia | 0.3 | mg/L | No limit | Measured |
| Turbidity | 0.1 | NTU | < 5 | Good |
| Colour | 4 | HU | < 15 | Good |
| Dissolved Oxygen | 108.5 | % saturation | No limit | Measured |
| Total Dissolved Solids | 137 | mg/L | < 600 | Good |
| Sulfate | 8.8 | mg/L | < 500 | Good |
| Hardness | 51.8 | mg/L | < 200 | Good |
| pH | 7.9 | pH units | 6.5 – 8.5 | Normal |
| Temperature | 19.5 | degrees C | No limit | Measured |
| E. coli | 0 | orgs/100 mL | < 0 | Compliant |
| Free Chlorine | 0.04 | mg/L | < 5 | Good |
| Monochloramine | 1.74 | mg/L | < 3 | Good |
| Fluoride | 1.01 | mg/L | < 1.5 | Good |
| Trihalomethanes | 0.09 | mg/L | < 0.25 | Good |
| Ndma | 0.0001 | mg/L | No limit | Measured |
| Chloride | 0.004 | mg/L | < 250 | Good |
| PFOS + PFHxS | 0.0014 | µg/L | PFOS < 0.008, PFHxS < 0.03 | Good |
| PFOA | 0.0002 | µg/L | < 0.2 | Good |
Safety
Safety assessment
Based on 23 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
Soft (51.8 mg/L)
Water Hardness
Your water is classified as soft, which means minimal limescale buildup on fixtures and appliances. Soap and shampoo will lather easily, and you should notice no drying effects on skin or hair. Hot water systems and kettles are unlikely to suffer scale-related efficiency losses.
Normal Range
pH Level
pH of 7.9 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 1.01 mg/L. Within the recommended 0.6–1.1 mg/L range for dental health.
Chlorine
Disinfection
Chlorine measured at 0.04 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 Coffs Harbour Dc measures 0.04 mg/L, which is low. Filling a jug and letting it stand for 30 minutes will reduce any residual taste.
Soft Water Advantage
Coffs Harbour Dc's water is soft at 51.8 mg/L. You can use less soap and detergent, as it lathers easily with softer water.
Fluoride in Your Water
Fluoride measures 1.01 mg/L in Coffs Harbour Dc. Australian guidelines allow up to 1.5 mg/L. This is added by utilities to support dental health in the community.
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FAQ
Frequently asked questions
Is tap water safe to drink in Coffs Harbour Dc?
How hard is the water in Coffs Harbour Dc?
What water utility supplies Coffs Harbour Dc?
Does Coffs Harbour Dc water have fluoride?
What is the water quality score for Coffs Harbour Dc?
What is the population of Coffs Harbour Dc?
Supplier
Water utility
- Utility
- Coffs Harbour Council
- Supply Zone
- Prospect East
- Data Source
- Coffs Harbour Council — quarterly prospect east q2 202425, quarterly prospect east q3 202425, quarterly prospect east q4 202425
Nearby
Nearby suburbs
Same water utility, similar water quality
Similar Quality
Suburbs with similar water quality
Suburbs scoring between 8.5 and 10.0
Utility reports average the grid — not your home
Coffs Harbour Dc'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.
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 Coffs Harbour Dc, NSW [Data set]. Compiled from Coffs Harbour Council data (2024-25 annual report). https://waterscore.com.au/water-quality/coffs-harbour-dc-nsw/
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Related
Explore more
Related pages for Coffs Harbour Dc, NSW
Is tap water safe?
Safety assessment
Water hardness
51.8 mg/L
Best water filter
Filter recommendations
New South Wales water quality
State coverage
Coffs Harbour Council
Water utility
Compare with Bayldon
Coffs Harbour Dc vs Bayldon
Compare with Boambee East
Coffs Harbour Dc vs Boambee East
Compare with Sawtell
Coffs Harbour Dc vs Sawtell
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 Coffs Harbour Council (2024-25 annual 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.
