Where does the water in 35136 come from?

Water for zip code 35136 in Rockford, Alabama is provided by 2 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 35136

Rockford, Alabama · Coosa County

11 PPM

0.6 GPG

Soft

0Soft60120180300+

High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 2 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 2 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis

2 USGS-backed sources

2 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.

Water source profile

Primarily surface water

Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.

Data recency

March 9, 2026

Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 35136

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

2 water systems

PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.

Water System	Source	Hardness	Pop. Served	Data Source
Rockford Utilities Board, Inc AL0000353	surface water	11 PPM Soft	3,612	High Confidence — USGS Monitoring
Lake Mitchell Water, Incorporated AL0001799	surface water	11 PPM Soft	390	High Confidence — USGS Monitoring

Rockford Utilities Board, Inc

AL0000353

Soft

11 PPMsurface water3,612 servedHigh Confidence — USGS Monitoring

Lake Mitchell Water, Incorporated

AL0001799

Soft

11 PPMsurface water390 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

3518330 3602630 3608050 350899 3504640 3609140 360516 3515142 350109 3602250 350729 3609250

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft water!

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Rockford, AL (35136).

Submit Your Data

Frequently Asked Questions

Is the water hard in Rockford, AL (35136)?

The average water hardness in 35136 is 11 PPM (0.6 GPG), which is classified as soft.

Do I need a water softener in 35136?

At 11 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 35136 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 35136?

Zip code 35136 in Rockford, Alabama is served by 2 water systems.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

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How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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