Hardness
Soft
30.2 PPM · 1.8 GPG
Local water dashboard
Official source aggregationWater quality in Newnan, GA 30265
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Coweta County.
1 reported benchmark flag
- Primary matched system
- Coweta Water & Sewer Auth.
- Source water
- Surface water
- County
- Coweta 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
0.0039 mg/L
26% of action level
Utility match
2 systems
Serves 92,907 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
30.2 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
30.2
mg/L as CaCO₃ equivalent
Grains per gallon
1.8
1 GPG ≈ 17.1 PPM
What this means at home
At 30.2 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
26
Nearest site
11.6 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: CHATTAHOOCHEE RIVER NEAR WHITESBURG, GA (Stream).USGS source documentation ↗
Regional context
Is 30265 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Newnan median
31 PPM
About the same2 indexed ZIP readings · Range 30.2–31.7 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.
1 pass1 fail
Lead (PB90)
0.0039 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0039
EPA limit 0.015
TTHM
Measured in MG/L
Local 0.081
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 3
- Health-based
- 2
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| TTHMHealth-basedReported 0.081 MG/L · MCL 0.08 | GA0770042 | Resolved | Jan 1, 2022through Mar 31, 2022 |
| TTHMHealth-basedReported 0.081 MG/L · MCL 0.08 | GA0770042 | Resolved | Oct 1, 2021through Dec 31, 2021 |
| Consumer Confidence Rule | GA0770042 | Resolved | Jul 1, 2021through Aug 28, 2021 |
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 Newnan ZIP 30265 using 30.2 PPM nearby hardness and 2 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
TTHM has a measured benchmark flag or active health-based SDWIS record in this profile.
A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.
Explore under-sink filtrationAffiliate 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 Newnan
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Newnan
Is tap water safe in Newnan?+
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 30.2 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.