Hardness
Very Hard
846 PPM · 49.5 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 Platte County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
846 PPM · 49.5 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.003 mg/L
20% of action level
Utility match
1 system
Serves 289 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
846 PPM
Parts per million
846
mg/L as CaCO₃ equivalent
Grains per gallon
49.5
1 GPG ≈ 17.1 PPM
What this means at home
At 846 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
2
Nearest site
66.3 mi
Observation range
Feb 11, 2016–May 27, 2025
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: NORTH PLATTE RIVER BELOW CASPER, WY (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.
Glendo median
846 PPM
About the same1 indexed ZIP readings · Range 846–846 PPM
Wyoming median
235 PPM
611 PPM higher93 indexed ZIP readings · Range 3.2–1905 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, 2023
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 |
|---|---|---|---|
| Nitrate-Nitrite | WY5600231 | Resolved | Jan 1, 2025through Dec 31, 2025 |
| Nitrate-Nitrite | WY5600231 | Resolved | Jan 1, 2025through Dec 31, 2025 |
| Lead and Copper Rule | WY5600231 | Unaddressed | Dec 30, 2023 |
| Consumer Confidence Rule | WY5600231 | Resolved | Oct 1, 2023through Nov 28, 2023 |
| Consumer Confidence Rule | WY5600231 | Resolved | Jul 1, 2023through Aug 25, 2023 |
| Nitrate-Nitrite | WY5600231 | Resolved | Jan 1, 2023through Dec 31, 2023 |
| Nitrate-Nitrite | WY5600231 | Resolved | Jan 1, 2023through Dec 31, 2023 |
| Combined Radium (-226 and -228) | WY5600231 | Archived | Jan 1, 2023through Dec 31, 2025 |
| Radium-228 | WY5600231 | Archived | Jan 1, 2023through Dec 31, 2025 |
| Combined Uranium | WY5600231 | Archived | Jan 1, 2023through Dec 31, 2025 |
| Radium-226 | WY5600231 | Archived | Jan 1, 2023through Dec 31, 2025 |
| Gross Alpha, Excl. Radon and U | WY5600231 | Archived | Jan 1, 2023through Dec 31, 2025 |
| TTHM | WY5600231 | Resolved | Jan 1, 2022through Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | WY5600231 | Resolved | Jan 1, 2022through Dec 31, 2024 |
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 Glendo ZIP 82213 using 846 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
846 PPM is 7× 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.
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 846 PPM, or 49.5 grains per gallon, classified as very hard. This is not a household tap measurement.
At 846 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.