Hardness
Soft
30.3 PPM · 1.8 GPG
Local water dashboard
Official source aggregationWater quality in Alpharetta, GA 30009
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Fulton County.
No active health-based violation reported
- Primary matched system
- Atlanta-Fulton County Water Resources
- Source water
- Surface water
- County
- Fulton County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
Not reported
Check the utility CCR or tap test
Utility match
1 system
Serves 0 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
30.3 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
30.3
mg/L as CaCO₃ equivalent
Grains per gallon
1.8
1 GPG ≈ 17.1 PPM
What this means at home
At 30.3 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.
USGS sites used
33
Nearest site
11.7 mi
Observation range
Jan 5, 2016–Jun 3, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: SOPE CREEK NEAR MARIETTA, GA (Stream).USGS source documentation ↗
Regional context
Is 30009 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Alpharetta median
30 PPM
About the same2 indexed ZIP readings · Range 30.2–30.3 PPM
Georgia median
40 PPM
10 PPM lower469 indexed ZIP readings · Range 3–207 PPM
EPA benchmark screen
Contaminant snapshot
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
Lead (PB90)
Not available
No numerical 90th-percentile result
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
0 comparable results
Missing values remain blank; absence is not treated as a pass.
No comparable measured values reported
Federal SDWIS data does not contain a numerical result and matching benchmark for this profile. Review the compliance history and the utility's Consumer Confidence Report instead.
2026Q2
- All records
- 1
- Health-based
- 0
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | GA1210038 | Resolved | Oct 17, 2024through Mar 31, 2025 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Your personalized water action plan
Matched to Alpharetta ZIP 30009 using 30.3 PPM nearby hardness and 0 reported measurement benchmarks.
No urgent match
Start with an independent water test
This profile does not trigger a treatment recommendation. Test at the tap before investing in equipment.
Affiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.
Nearby indexed reports
Compare ZIPs in Alpharetta
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Alpharetta
Is tap water safe in Alpharetta?+
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
How hard is the water?+
Nearby USGS observations produce an estimate of 30.3 PPM, or 1.8 grains per gallon, classified as soft. This is not a household tap measurement.
Do I need a water softener?+
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.