ZIP Code 78338
Kenedy County, Texas — Armstrong
What This Means
Kenedy County, Texas has moderately hard water, estimated at 89 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 | 78338 |
| County | Kenedy |
| City | Armstrong |
| State | Texas (TX) |
| Hardness (PPM) | 89 mg/L — Moderately Hard |
| Hardness (GPG) | 5.2 grains/gallon |
| Classification | 61 - 120 mg/L |
Source: USGS Water Quality Portal, county-level median
USGS Monitoring Data
| Monitoring Stations | 67 |
| Range | 17 – 5000 mg/L |
| Most Recent Data | 2013 |
| Data Quality | Measured |
Source: USGS Water Quality Portal
Effects at 89 PPM Hardness
At 89 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 Armstrong Water Safe to Drink?
Yes. Hard water at 89 ppm in Armstrong 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
Armstrong water at 89 ppm is 11% softer 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 89 PPM Water
Consider a shower filter ($15–40) for skin and hair benefits. At 89 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.
Kenedy County Water Hardness Map
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Frequently Asked Questions
What is the water hardness for ZIP code 78338?
ZIP code 78338 is in Kenedy County, Texas, with estimated water hardness of 89 mg/L (5.2 GPG), classified as moderately hard.
Do I need a water softener in 78338?
With moderately hard water at 89 PPM, a water softener is optional. You may notice some minor scale buildup over time.
What county is ZIP code 78338 in?
ZIP code 78338 is in Kenedy County, Texas (TX).
Is Armstrong water hard or soft?
Armstrong water is classified as moderately hard with an estimated hardness of 89 ppm (5.2 GPG). This is moderately hard — some minor mineral effects may be noticeable.
Is hard water in 78338 safe to drink?
Yes, hard water in ZIP code 78338 at 89 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 89 PPM water damage my appliances?
At 89 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 Kenedy County?
Kenedy County has moderately hard water at 89 ppm. A softener is optional but can help if you notice dry skin or minor scale.
Is Armstrong water OK for aquariums and plants?
Generally yes. At 89 ppm, most freshwater fish and plants will do fine. Check species-specific requirements for sensitive fish.