Hardness
Soft
40.5 PPM · 2.4 GPG
Local water dashboard
Official source aggregationWater quality in Robbins, NC 27242
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Moore County.
3 reported benchmark flags
- Primary matched system
- Robbins Water System
- Source water
- Surface water + Groundwater
- County
- Moore 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
3 systems
Serves 1,579 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
40.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
40.5
mg/L as CaCO₃ equivalent
Grains per gallon
2.4
1 GPG ≈ 17.1 PPM
What this means at home
At 40.5 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
52
Nearest site
39.6 mi
Observation range
Jan 15, 2016–Jun 9, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: HAW R BELOW B. EVERETT JORDAN DAM NR MONCURE, NC (Stream).USGS source documentation ↗
Regional context
Is 27242 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Robbins median
41 PPM
About the same2 indexed ZIP readings · Range 40.5–40.5 PPM
North Carolina median
41 PPM
About the same519 indexed ZIP readings · Range 4.7–267.5 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 pass3 fail
Lead (PB90)
0 mg/L
Reported Dec 31, 2025
Copper (CU90)
1.678 mg/L
Reported Dec 31, 2022
Numerical coverage
4 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 1.678
EPA limit 1.3
Total Haloacetic Acids (HAA5)
Measured in MG/L
Local 0.069
EPA limit 0.06
TTHM
Measured in MG/L
Local 0.084
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 25
- Health-based
- 8
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | NC0363408 | Addressed | Jan 1, 2026 |
| Total Haloacetic Acids (HAA5) | NC0363015 | Addressed | Aug 31, 2025 |
| Public Notice | NC0363015 | Resolved | Jul 14, 2025through Sep 16, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.069 MG/L · MCL 0.06 | NC0363015 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Public Notice | NC0363015 | Resolved | Apr 12, 2025through Nov 5, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.074 MG/L · MCL 0.06 | NC0363015 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| Public Notice | NC0363408 | Resolved | Feb 6, 2025through May 14, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.077 MG/L · MCL 0.06 | NC0363015 | Resolved | Jan 1, 2025through Mar 31, 2025 |
| Public Notice | NC0363015 | Resolved | Dec 26, 2024through Jan 27, 2025 |
| Public Notice | NC0363015 | Resolved | Dec 26, 2024through Feb 7, 2025 |
| TTHM | NC0363155 | Addressed | Dec 6, 2024 |
| LEAD AND COPPER RULE REVISIONS | NC0363015 | Resolved | Oct 17, 2024through Oct 22, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | NC0363015 | Resolved | Oct 17, 2024through Oct 22, 2024 |
| TTHMHealth-basedReported 0.084 MG/L · MCL 0.08 | NC0363015 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.073 MG/L · MCL 0.06 | NC0363015 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| TTHMHealth-basedReported 0.082 MG/L · MCL 0.08 | NC0363155 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| Consumer Confidence Rule | NC0363408 | Resolved | Jul 1, 2024through Nov 18, 2024 |
| TTHMHealth-basedReported 0.081 MG/L · MCL 0.08 | NC0363155 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Nitrate | NC0363408 | Resolved | Jan 1, 2023through Dec 31, 2023 |
| Revised Total Coliform Rule | NC0363015 | Resolved | Dec 1, 2022through Dec 31, 2022 |
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 Robbins ZIP 27242 using 40.5 PPM nearby hardness and 4 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
Copper (90th percentile), Total Haloacetic Acids (HAA5), TTHM have 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 Robbins
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Robbins
Is tap water safe in Robbins?+
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 40.5 PPM, or 2.4 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.