Hardness
Very Hard
446 PPM · 26.1 GPG
Local water dashboard
Official source aggregationWater quality in Jordan, MT 59337
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Garfield County.
No active health-based violation reported
- Primary matched system
- Jordan Town Of
- Source water
- Groundwater
- County
- Garfield 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
0.003 mg/L
20% of action level
Utility match
1 system
Serves 364 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
446 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
446
mg/L as CaCO₃ equivalent
Grains per gallon
26.1
1 GPG ≈ 17.1 PPM
What this means at home
At 446 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
7
Nearest site
54.6 mi
Observation range
Jun 22, 2020–Sep 25, 2024
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 27N42E05BCAA01 PC-MW (Well).USGS source documentation ↗
Regional context
Is 59337 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Jordan median
446 PPM
About the same1 indexed ZIP readings · Range 446–446 PPM
Montana median
122 PPM
324 PPM higher129 indexed ZIP readings · Range 0.2–799.5 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 pass
Lead (PB90)
0.003 mg/L
Reported Dec 31, 2019
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
- 26
- Health-based
- 0
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | MT0000257 | Resolved | Apr 1, 2026through Apr 30, 2026 |
| Lead and Copper Rule | MT0000257 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | MT0000257 | Resolved | Oct 1, 2025through Oct 6, 2025 |
| Nitrate-Nitrite | MT0000257 | Archived | Jan 1, 2025through Dec 31, 2025 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Dec 1, 2024through Dec 31, 2024 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Feb 1, 2024through Feb 29, 2024 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Dec 1, 2023through Dec 31, 2023 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Nov 1, 2023through Nov 30, 2023 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Oct 1, 2023through Oct 31, 2023 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Sep 1, 2023through Sep 30, 2023 |
| Consumer Confidence Rule | MT0000257 | Resolved | Jul 1, 2023through Jul 18, 2023 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Jun 1, 2023through Jun 30, 2023 |
| Revised Total Coliform Rule | MT0000257 | Resolved | May 1, 2023through May 31, 2023 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Feb 1, 2023through Feb 28, 2023 |
| Nitrate-Nitrite | MT0000257 | Resolved | Jan 1, 2023through Dec 31, 2023 |
| Consumer Confidence Rule | MT0000257 | Resolved | Oct 1, 2022through Jan 10, 2023 |
| Lead and Copper Rule | MT0000257 | Unaddressed | Oct 1, 2022 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Sep 1, 2022through Sep 30, 2022 |
| Consumer Confidence Rule | MT0000257 | Resolved | Jul 1, 2022through Jan 10, 2023 |
| Revised Total Coliform Rule | MT0000257 | Resolved | Apr 1, 2022through Apr 30, 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 Jordan ZIP 59337 using 446 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
446 PPM is 4× 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
Water questions for Jordan
Is tap water safe in Jordan?+
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 446 PPM, or 26.1 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 446 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.