ZIP Code 29586
Marion County, South Carolina
What This Means
Marion County, South Carolina has naturally soft water, estimated at 17 mg/L (PPM). Soft water is generally good for appliances and plumbing — it produces less scale buildup. You likely don't need a water softener. Soft water may feel slightly "slippery" and lathers soap easily.
What You Should Do
Hardness Details
| ZIP Code | 29586 |
| County | Marion |
| City | — |
| State | South Carolina (SC) |
| Hardness (PPM) | 17 mg/L — Soft |
| Hardness (GPG) | 1 grains/gallon |
| Classification | 0 - 60 mg/L |
Source: USGS Water Quality Portal, county-level median
USGS Monitoring Data
| Monitoring Stations | 20 |
| Range | 2 – 160 mg/L |
| Most Recent Data | 2025 |
| Data Quality | Measured |
Source: USGS Water Quality Portal
Effects at 17 PPM Hardness
At 17 ppm, your water is soft. You are unlikely to notice mineral effects on skin, hair, or appliances. Soap lathers easily, dishes come out spot-free, and your water heater and plumbing will not accumulate scale buildup.
Is Marion County Water Safe to Drink?
Yes. Hard water at 17 ppm in Marion County 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
Marion County water at 17 ppm is 83% softer than the US average of approximately 100 ppm. Your area benefits from naturally soft water, which is gentler on plumbing, appliances, skin, and hair than what most Americans experience.
Best Solution for 17 PPM Water
No softener needed. Your soft water at 17 ppm is ideal for skin, hair, and appliances. You are in the fortunate minority of US homes that do not need water treatment for hardness. Enjoy the benefits of naturally soft water: easy soap lathering, spot-free dishes, and long-lasting appliances.
Marion County Water Hardness Map
Soft Moderate Hard Very Hard
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Frequently Asked Questions
What is the water hardness for ZIP code 29586?
ZIP code 29586 is in Marion County, South Carolina, with estimated water hardness of 17 mg/L (1 GPG), classified as soft.
Do I need a water softener in 29586?
With soft water at 17 PPM, a water softener is generally not needed.
What county is ZIP code 29586 in?
ZIP code 29586 is in Marion County, South Carolina (SC).
Is Marion County water hard or soft?
Marion County water is classified as soft with an estimated hardness of 17 ppm (1 GPG). This is soft water — no treatment is needed.
Is hard water in 29586 safe to drink?
Yes, hard water in ZIP code 29586 at 17 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 17 PPM water damage my appliances?
At 17 ppm (soft), your water will not cause mineral damage to appliances. You can expect full lifespan from your water heater, dishwasher, and plumbing.
Do I need a water softener in Marion County?
No — Marion County has soft water at 17 ppm. A water softener is not necessary.
Is Marion County water OK for aquariums and plants?
Yes — soft water at 17 ppm is ideal for most tropical fish (bettas, tetras, discus) and acid-loving plants. African cichlids may need mineral supplements.