Hardness
Soft
22.2 PPM · 1.3 GPG
Local water dashboard
Official source aggregationWater quality in Mccall, ID 83638
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Valley County.
3 reported benchmark flags
- Primary matched system
- Mccall City Of
- Source water
- Surface water
- County
- Valley 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
0.002 mg/L
13% of action level
Utility match
1 system
Serves 4,423 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
22.2 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
22.2
mg/L as CaCO₃ equivalent
Grains per gallon
1.3
1 GPG ≈ 17.1 PPM
What this means at home
At 22.2 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
11
Nearest site
22.5 mi
Observation range
Mar 29, 2016–Jun 29, 2022
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: SUGAR CREEK NR STIBNITE, ID (Stream).USGS source documentation ↗
Regional context
Is 83638 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Mccall median
22 PPM
About the same1 indexed ZIP readings · Range 22.2–22.2 PPM
Idaho median
168 PPM
146 PPM lower78 indexed ZIP readings · Range 22.2–339 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)
0.002 mg/L
Reported Dec 31, 2025
Copper (CU90)
3.58 mg/L
Reported Dec 31, 1993
Numerical coverage
4 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.002
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 3.58
EPA limit 1.3
TTHM
Measured in MG/L
Local 0.092
EPA limit 0.08
Total Haloacetic Acids (HAA5)
Measured in MG/L
Local 0.07
EPA limit 0.06
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 73
- Health-based
- 12
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| TTHMHealth-basedReported 0.092 MG/L · MCL 0.08 | ID4430033 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| TTHMHealth-basedReported 0.102 MG/L · MCL 0.08 | ID4430033 | Resolved | Jul 1, 2024through Sep 30, 2024 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.07 MG/L · MCL 0.06 | ID4430033 | Resolved | Jul 1, 2024through Sep 30, 2024 |
| Public Notice | ID4430033 | Resolved | Jun 24, 2024through Jun 6, 2024 |
| Public Notice | ID4430033 | Resolved | May 24, 2024through Jun 24, 2025 |
| Public Notice | ID4430033 | Resolved | May 24, 2024through Jun 24, 2025 |
| TTHMHealth-basedReported 0.092 MG/L · MCL 0.08 | ID4430033 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.066 MG/L · MCL 0.06 | ID4430033 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| TTHMHealth-basedReported 0.087 MG/L · MCL 0.08 | ID4430033 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Lead and Copper RuleHealth-based | ID4430033 | Resolved | Mar 2, 2024through Jul 11, 2024 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.069 MG/L · MCL 0.06 | ID4430033 | Resolved | Jan 1, 2024through Mar 31, 2024 |
| TTHMHealth-basedReported 0.12 MG/L · MCL 0.08 | ID4430033 | Resolved | Jan 1, 2024through Mar 31, 2024 |
| Lead and Copper Rule | ID4430033 | Resolved | Jan 1, 2024through Jun 24, 2025 |
| Lead and Copper Rule | ID4430033 | Resolved | Jan 1, 2024through Jun 24, 2025 |
| TTHMHealth-basedReported 0.132 MG/L · MCL 0.08 | ID4430033 | Archived | Oct 1, 2023through Dec 31, 2023 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.085 MG/L · MCL 0.06 | ID4430033 | Archived | Oct 1, 2023through Dec 31, 2023 |
| Interim Enhanced Surface Water Treatment RuleHealth-based | ID4430033 | Resolved | Jul 1, 2023through Jul 31, 2023 |
| Total Haloacetic Acids (HAA5) | ID4430033 | Resolved | Apr 1, 2023through Jun 30, 2023 |
| TTHM | ID4430033 | Resolved | Apr 1, 2023through Jun 30, 2023 |
| Surface Water Treatment Rule | ID4430033 | Resolved | Mar 1, 2023through Mar 31, 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
Your personalized water action plan
Matched to Mccall ZIP 83638 using 22.2 PPM nearby hardness and 4 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
Copper (90th percentile), TTHM, Total Haloacetic Acids (HAA5) 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.
Frequently asked
Water questions for Mccall
Is tap water safe in Mccall?+
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 22.2 PPM, or 1.3 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.