Hardness
Hard
141 PPM · 8.2 GPG
Local water dashboard
Official source aggregationWater quality in Cairo, GA 39827
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Grady County.
No active health-based violation reported
- Primary matched system
- Cairo
- Source water
- Groundwater
- County
- Grady 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 mg/L
0% of action level
Utility match
6 systems
Serves 9,637 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
141 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
141
mg/L as CaCO₃ equivalent
Grains per gallon
8.2
1 GPG ≈ 17.1 PPM
What this means at home
At 141 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
51
Nearest site
15.8 mi
Observation range
Jan 25, 2021–Mar 25, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 14E013 (Well).USGS source documentation ↗
Regional context
Is 39827 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Cairo median
145 PPM
About the same2 indexed ZIP readings · Range 141–149 PPM
Georgia median
40 PPM
101 PPM higher469 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 pass
Lead (PB90)
0 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 13
- Health-based
- 0
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | GA1310064 | Resolved | Dec 1, 2025through Dec 31, 2025 |
| LEAD AND COPPER RULE REVISIONS | GA1310022 | Unaddressed | Jul 2, 2025 |
| Consumer Confidence Rule | GA1310000 | Resolved | Jul 1, 2024through Jul 16, 2024 |
| Consumer Confidence Rule | GA1310022 | Resolved | Oct 1, 2023through Nov 15, 2023 |
| Consumer Confidence Rule | GA1310047 | Resolved | Oct 1, 2023through Oct 16, 2023 |
| Consumer Confidence Rule | GA1310022 | Resolved | Jul 1, 2023through Nov 15, 2023 |
| Consumer Confidence Rule | GA1310047 | Resolved | Jul 1, 2023through Oct 16, 2023 |
| Lead and Copper Rule | GA1310047 | Resolved | Oct 1, 2022through Sep 9, 2023 |
| Consumer Confidence Rule | GA1310042 | Resolved | Jul 1, 2022through Aug 31, 2022 |
| Consumer Confidence Rule | GA1310022 | Resolved | Jul 1, 2021through Aug 3, 2021 |
| Public Notice | GA1310022 | Resolved | Jan 14, 2021through Mar 29, 2022 |
| Public Notice | GA1310022 | Resolved | Jan 10, 2021through Mar 29, 2022 |
| Lead and Copper RuleReported 0 | GA1310022 | Addressed | Jan 1, 1994 |
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 Cairo ZIP 39827 using 141 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
141 PPM is 1× the high-hardness trigger used by this matcher.
Designed to reduce scale on fixtures, water heaters, glassware, and plumbing throughout the home.
Compare whole-house systemsAffiliate 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 Cairo
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Cairo
Is tap water safe in Cairo?+
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 141 PPM, or 8.2 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 141 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.