Armagh Water Hardness & Quality Report (2026)
Water Hardness
~200–300 mg/L
Hardestimated · not lab-verified
Source
reservoir
pH Level
8.2
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
411.5 mg/L
Est. Daily Cost
£0.57
energy & soap waste
Source: DWI Data Portal · Updated 2026
0–99
mg/L
Soft
100–149
mg/L
Slightly Hard
150–199
mg/L
Moderately Hard
200–300
mg/L
Hard
300+
mg/L
Very Hard
Appliance Damage Report
In Armagh, your appliances are currently losing 33% efficiency due to mineral buildup.
| Appliance | In Armagh | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.7 yrs | 8.5 yrs | -33% |
| Washing Machine | 8 yrs | 12 yrs | -33% |
| Water Heater | 10 yrs | 15 yrs | -33% |
Regional Water Comparison
How Armagh compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Armagh, Northern Ireland | ≈ 200–300 mg/L | 17.5° | 🟠 Hard | reservoir |
| Dungannon, Northern Ireland | ≈ 200–300 mg/L | 6.8° | 🟠 Hard | reservoir |
| Portadown, Northern Ireland | ≈ 0–100 mg/L | 5.6° | 🟢 Soft | reservoir |
| Craigavon, Northern Ireland | ≈ 0–100 mg/L | 9.1° | 🟢 Soft | reservoir |
| Cookstown, Northern Ireland | ≈ 0–100 mg/L | 3.5° | 🟢 Soft | reservoir |
National Benchmark
How Armagh compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Armagh | ≈ 200–300 mg/L | 🟠 High |
| United Kingdom National Avg | 177 mg/L | 🟡 Moderate |
| Skipton Top Rated | 7.1 mg/L | 🟢 None |
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What Makes Armagh's Water Unique?
Local geology and source profile
Northern Ireland Water supplies Armagh, drawing from various local watersheds that include rivers, reservoirs, and groundwater sources. While specific details for Armagh are not delineated in public records, the utility manages water across the entire region, distributing 575 million litres daily to nearly 1.8 million residents. They also handle wastewater treatment. Recent updates mention supply restorations in Armagh following severe weather events, with residents encouraged to contact Waterline at 03457 440088 for any service issues or concerns.
The geology of Northern Ireland, including the Armagh region, is characterized by a blend of Carboniferous limestone and Tertiary basalt formations, often overlaid by glacial drift. These underlying rock types and geological activities significantly influence the groundwater and surface water characteristics, contributing to the overall mineral content found in the water supply. The specific mineral profile can fluctuate depending on the precise watershed and aquifer feeding into the distribution system.
Homeowners might notice scale buildup in appliances like kettles and boilers, particularly if the water tends toward hardness. Regular descaling can help maintain these items, and filters might also be beneficial. If you suspect your water is particularly hard, a consultation with Northern Ireland Water for property-specific testing is recommended before considering a water softener. In some instances, older plumbing might introduce discolouration or even lead into the water, for which Northern Ireland Water offers free testing.
Geology & Source: Tertiary basalt formations and Carboniferous limestone; contributes to general mineral content
Other Northern Ireland Water Reports
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