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Suffolk Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

6.3

neutral = 7.0

Lead

0.008 mg/L

✓ Below action level

TDS

221 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

0–60

mg/L

Soft

61–120

mg/L

Moderately Hard

121–180

mg/L

Hard

180+

mg/L

Very Hard

Appliance Damage Report

In Suffolk, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn SuffolkSoft Water CityEfficiency Loss
Kettle
6.8 yrs
8.5 yrs-20%
Washing Machine
9.6 yrs
12 yrs-20%
Water Heater
12 yrs
15 yrs-20%

Regional Water Comparison

How Suffolk compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Suffolk, Virginia≈ 120–179 mg/L0 ppt🟠 Hardreservoir
South Suffolk, Virginia≈ 120–179 mg/L6.1 ppt🟠 Hardreservoir
Portsmouth Heights, Virginia≈ 120–179 mg/L0 ppt🟠 Hardreservoir
Newport News, Virginia≈ 60–120 mg/L92 ppt🟡 Moderately Hardreservoir
Portsmouth, Virginia≈ 0–60 mg/L0 ppt🟢 Softreservoir

National Benchmark

How Suffolk compares to the USA average

BenchmarkHardnessAppliance Risk
Suffolk≈ 120–179 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Suffolk's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 221 mg/LpH: 6.3

The City of Suffolk Department of Public Utilities provides drinking water to Suffolk, Virginia, and surrounding Western Tidewater communities. Water sources include surface reservoirs — the city's Lone Star Lakes, Norfolk's Western Branch, and Crumps Mill Pond — supplemented by production wells. Treatment occurs primarily at the G. Robert House Jr. Water Treatment Facility, where raw water undergoes conventional processing followed by chloramination for disinfection. The certified Water Quality Laboratory ensures compliance with state and federal regulations, with annual Consumer Confidence Reports summarizing testing results.

Suffolk's supply originates in the Nottoway River basin and adjacent Coastal Plain tributaries feeding the reservoirs, with groundwater from shallow surficial aquifers in sandy Tertiary formations including the Yorktown and Eastover. These unconsolidated sediments shape a moderately mineralised profile, less influenced by limestone dissolution than Virginia's western karst regions. The hard supply character arises from natural mineral leaching in well sources amid the sediment layers, while surface waters dilute contributions — this geology supports chloramine stability in the distribution system.

Hard water in Suffolk leads to scale buildup in pipes, heaters, and fixtures, reducing efficiency in water heaters, dishwashers, and washing machines by up to 20–30% over time. Maintenance includes monthly vinegar descaling for showerheads and faucets, annual heater flushes, and installing scale-inhibiting filters. A water softener is recommended for households noticing dry skin, soap scum, or appliance issues. Suffolk maintains EPA compliance using chloramines for disinfection — safe for general use but requiring precautions for dialysis or aquariums; third-party analyses note bromodichloromethane above health guidelines and calls for PFAS monitoring, though no specific detections have been reported.

Geology & Source: Virginia Coastal Plain — Quaternary and Tertiary unconsolidated sands, clays, and gravels overlying Cretaceous formations including Yorktown and Eastover; minimal limestone limits carbonate hardness, but groundwater mineral pickup yields hard mixed

Other Virginia Water Reports

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Frequently Asked Questions

Is Suffolk's water safe to drink?
Yes. Suffolk's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Suffolk?
At ≈ 120–179 mg/L (Hard), Suffolk's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.
How does Suffolk compare to the USA average?
The USA national average is 151 mg/L. Suffolk (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Suffolk is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

pH

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

TDS — Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.