Hardness
Soft
44.1 PPM · 2.6 GPG
Local water dashboard
Official source aggregationA source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Newport County.
At a glance
EPA quarter 2026Q2
Hardness
Soft
44.1 PPM · 2.6 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.003 mg/L
20% of action level
Utility match
6 systems
Serves 8,969 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
44.1 PPM
Parts per million
44.1
mg/L as CaCO₃ equivalent
Grains per gallon
2.6
1 GPG ≈ 17.1 PPM
What this means at home
At 44.1 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
104
Nearest site
16 mi
Observation range
Jan 4, 2016–Jun 8, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: PAWTUXET RIVER AT PAWTUXET, RI (Stream).USGS source documentation ↗
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Tiverton median
44 PPM
About the same1 indexed ZIP readings · Range 44.1–44.1 PPM
Rhode Island median
43 PPM
About the same33 indexed ZIP readings · Range 40.5–64.1 PPM
EPA benchmark screen
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)
0.003 mg/L
Reported Dec 31, 2024
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.
Measured in mg/L
Local 0.003
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Consumer Confidence Rule | RI2051311 | Resolved | Jul 1, 2025through Jul 2, 2025 |
| CARBON, TOTAL | RI1615619 | Resolved | Jan 1, 2025through Mar 31, 2025 |
| Total Haloacetic Acids (HAA5) | RI1615619 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| TTHM | RI1615619 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| CARBON, TOTAL | RI1615619 | Resolved | Sep 1, 2024through Sep 30, 2024 |
| Public Notice | RI1615619 | Resolved | Feb 20, 2024through Apr 10, 2024 |
| Interim Enhanced Surface Water Treatment Rule | RI1615619 | Resolved | Feb 11, 2024through Mar 21, 2024 |
| Interim Enhanced Surface Water Treatment Rule | RI1615619 | Resolved | Jan 11, 2024through Mar 21, 2024 |
| TTHM | RI1615619 | Resolved | Jan 1, 2024through Mar 31, 2024 |
| CARBON, TOTAL | RI1615619 | Resolved | Jan 1, 2024through Mar 31, 2024 |
| Total Haloacetic Acids (HAA5) | RI1615619 | Resolved | Jan 1, 2024through Mar 31, 2024 |
| Interim Enhanced Surface Water Treatment Rule | RI1615619 | Resolved | Jan 1, 2024through Jan 31, 2024 |
| Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-based | RI1615619 | Resolved | Dec 17, 2023through Feb 12, 2024 |
| Interim Enhanced Surface Water Treatment Rule | RI1615619 | Resolved | Dec 1, 2023through Dec 31, 2023 |
| CARBON, TOTAL | RI1615619 | Resolved | Oct 1, 2023through Dec 31, 2023 |
| TTHM | RI1615619 | Resolved | Oct 1, 2023through Dec 31, 2023 |
| Total Haloacetic Acids (HAA5) | RI1615619 | Resolved | Oct 1, 2023through Dec 31, 2023 |
| Chlorine | RI1615619 | Resolved | Oct 1, 2023through Dec 31, 2023 |
| Interim Enhanced Surface Water Treatment Rule | RI1615619 | Resolved | Aug 10, 2023through Aug 15, 2023 |
| TTHM | RI1615619 | Resolved | Jul 1, 2023through Sep 30, 2023 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Matched to Tiverton ZIP 02878 using 44.1 PPM nearby hardness and 1 reported measurement benchmarks.
No urgent match
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.
Frequently asked
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.
Nearby USGS observations produce an estimate of 44.1 PPM, or 2.6 grains per gallon, classified as soft. This is not a household tap measurement.
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.