ZIP Code 35503
Walker County, Alabama — Zcta 35503
What This Means
Walker County, Alabama has moderately hard water, estimated at 106 mg/L (PPM). At this level, you may notice some mineral buildup on fixtures and inside appliances over time. A water softener is optional but can help extend appliance life. Most people don't notice significant issues at this hardness level.
What You Should Do
Hardness Details
| ZIP Code | 35503 |
| County | Walker |
| City | Zcta 35503 |
| State | Alabama (AL) |
| Hardness (PPM) | 106 mg/L — Moderately Hard |
| Hardness (GPG) | 6.2 grains/gallon |
| Classification | 61 - 120 mg/L |
Source: USGS Water Quality Portal, county-level median
USGS Monitoring Data
| Monitoring Stations | 90 |
| Range | 0 – 1940 mg/L |
| Most Recent Data | 2025 |
| Data Quality | Measured |
Source: USGS Water Quality Portal
Effects at 106 PPM Hardness
At 106 ppm, some minor effects are possible: slight soap scum on shower doors, occasional water spots on dishes and glassware. Sensitive skin may notice dryness after showers. Appliance efficiency is minimally affected, but you may see light mineral deposits on faucets over time.
Is Zcta 35503 Water Safe to Drink?
Yes. Hard water at 106 ppm in Zcta 35503 is safe to drink. The calcium and magnesium that make water hard are actually essential minerals your body needs daily. The World Health Organization confirms there are no health-based guidelines for water hardness.
At this level, taste is generally good. Most people will not notice a mineral flavor, and the water is perfectly suitable for drinking, cooking, and making coffee or tea.
Your Water vs National Average
Zcta 35503 water at 106 ppm is 6% harder than the US average of approximately 100 ppm. This is close to the national average. While not urgently requiring treatment, monitoring for scale buildup is advisable.
Best Solution for 106 PPM Water
Consider a shower filter ($15–40) for skin and hair benefits. At 106 ppm, a KDF or vitamin C shower filter can reduce mineral contact during bathing. A whole-house salt-free conditioner ($300–800) is an optional but effective way to prevent minor scale buildup on fixtures and appliances without adding sodium to your water.
Walker County Water Hardness Map
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Frequently Asked Questions
What is the water hardness for ZIP code 35503?
ZIP code 35503 is in Walker County, Alabama, with estimated water hardness of 106 mg/L (6.2 GPG), classified as moderately hard.
Do I need a water softener in 35503?
With moderately hard water at 106 PPM, a water softener is optional. You may notice some minor scale buildup over time.
What county is ZIP code 35503 in?
ZIP code 35503 is in Walker County, Alabama (AL).
Is Zcta 35503 water hard or soft?
Zcta 35503 water is classified as moderately hard with an estimated hardness of 106 ppm (6.2 GPG). This is moderately hard — some minor mineral effects may be noticeable.
Is hard water in 35503 safe to drink?
Yes, hard water in ZIP code 35503 at 106 ppm is safe to drink. The calcium and magnesium minerals are actually beneficial for your health. At this level, the water tastes normal and requires no filtration for drinking purposes.
Will 106 PPM water damage my appliances?
At 106 ppm (moderately hard), minor scale buildup is possible over many years but significant appliance damage is unlikely. Regular descaling maintenance is sufficient.
Do I need a water softener in Walker County?
Walker County has moderately hard water at 106 ppm. A softener is optional but can help if you notice dry skin or minor scale.
Is Zcta 35503 water OK for aquariums and plants?
Generally yes. At 106 ppm, most freshwater fish and plants will do fine. Check species-specific requirements for sensitive fish.