Hardness
Hard
175 PPM · 10.2 GPG
Local water dashboard
Official source aggregationWater quality in Superior, WY 82945
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Sweetwater County.
2 active health-based violations
- Primary matched system
- Superior, Town Of
- Source water
- Groundwater
- County
- Sweetwater County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
2 active health-based records
Lead 90th percentile
0.003 mg/L
20% of action level
Utility match
1 system
Serves 336 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
175 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
175
mg/L as CaCO₃ equivalent
Grains per gallon
10.2
1 GPG ≈ 17.1 PPM
What this means at home
At 175 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
5
Nearest site
8.2 mi
Observation range
Aug 29, 2017–Jun 25, 2018
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 20-101-27bcd01 (Well).USGS source documentation ↗
Regional context
Is 82945 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Superior median
175 PPM
About the same1 indexed ZIP readings · Range 175–175 PPM
Wyoming median
235 PPM
60 PPM lower93 indexed ZIP readings · Range 3.2–1905 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)
0.003 mg/L
Reported Jun 30, 2026
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 0.003
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 18
- Health-based
- 2
- Active health-based
- 2
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Consumer Confidence Rule | WY5600092 | Addressed | Jul 1, 2025 |
| Lead and Copper Rule | WY5600092 | Addressed | Jul 1, 2025 |
| Lead and Copper RuleHealth-based | WY5600092 | Unaddressed | Jan 1, 2025 |
| Lead and Copper RuleHealth-based | WY5600092 | Unaddressed | Aug 30, 2024 |
| Consumer Confidence Rule | WY5600092 | Resolved | Jul 1, 2024through Aug 28, 2024 |
| Lead and Copper Rule | WY5600092 | Addressed | Mar 31, 2024 |
| Lead and Copper Rule | WY5600092 | Resolved | Jan 1, 2024through Dec 10, 2025 |
| Consumer Confidence Rule | WY5600092 | Resolved | Oct 1, 2023through Jan 16, 2024 |
| Lead and Copper Rule | WY5600092 | Resolved | Sep 29, 2023through Jan 16, 2024 |
| Lead and Copper Rule | WY5600092 | Addressed | Jul 1, 2023 |
| Lead and Copper Rule | WY5600092 | Addressed | Oct 1, 2022 |
| Consumer Confidence Rule | WY5600092 | Resolved | Jul 1, 2022through Jan 16, 2024 |
| Nitrate-Nitrite | WY5600092 | Resolved | Jan 1, 2022through Dec 31, 2022 |
| Lead and Copper Rule | WY5600092 | Addressed | Oct 1, 2021 |
| Total Haloacetic Acids (HAA5) | WY5600092 | Resolved | Sep 1, 2021through Aug 31, 2022 |
| TTHM | WY5600092 | Resolved | Sep 1, 2021through Aug 31, 2022 |
| Total Haloacetic Acids (HAA5) | WY5600092 | Resolved | Jan 1, 2021through Aug 31, 2021 |
| TTHM | WY5600092 | Resolved | Jan 1, 2021through Aug 31, 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 Superior ZIP 82945 using 175 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
175 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 systemsDrinking water protection
Under-Sink Reverse Osmosis System
Lead and Copper Rule 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.
Frequently asked
Water questions for Superior
Is tap water safe in Superior?+
EPA ECHO reports 2 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
How hard is the water?+
Nearby USGS observations produce an estimate of 175 PPM, or 10.2 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 175 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.