Hardness
Very Hard
242.5 PPM · 14.2 GPG
Local water dashboard
Official source aggregationWater quality in San Simon, AZ 85632
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Cochise County.
1 active health-based violation
- Primary matched system
- San Simon Dwid
- Source water
- Groundwater
- County
- Cochise County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
0 mg/L
0% of action level
Utility match
1 system
Serves 312 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
242.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
242.5
mg/L as CaCO₃ equivalent
Grains per gallon
14.2
1 GPG ≈ 17.1 PPM
What this means at home
At 242.5 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
6
Nearest site
45.1 mi
Observation range
Mar 30, 2016–Apr 8, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: GILA RIVER BELOW BLUE CREEK, NEAR VIRDEN, NM (Stream).USGS source documentation ↗
Regional context
Is 85632 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
San Simon median
243 PPM
About the same1 indexed ZIP readings · Range 242.5–242.5 PPM
Arizona median
241 PPM
About the same285 indexed ZIP readings · Range 66.4–1250 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 pass1 fail
Lead (PB90)
0 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0
EPA limit 0.015
Fluoride
Measured in MG/L
Local 6.5
EPA limit 4
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 47
- Health-based
- 21
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | AZ0402027 | Resolved | Feb 5, 2026through Mar 19, 2026 |
| Public Notice | AZ0402027 | Resolved | Jan 28, 2026through Mar 10, 2026 |
| Chlorine | AZ0402027 | Archived | Jan 1, 2026through Jan 31, 2026 |
| Chlorine | AZ0402027 | Archived | Nov 1, 2025through Nov 30, 2025 |
| Consumer Confidence Rule | AZ0402027 | Unaddressed | Oct 2, 2025 |
| FluorideHealth-basedReported 6.5 MG/L · MCL 4 | AZ0402027 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Chlorine | AZ0402027 | Archived | Oct 1, 2025through Oct 31, 2025 |
| Revised Total Coliform Rule | AZ0402027 | Resolved | Sep 1, 2025through Sep 30, 2025 |
| Public Notice | AZ0402027 | Unaddressed | Jul 24, 2025 |
| Chlorine | AZ0402027 | Resolved | Jul 1, 2025through Jul 31, 2025 |
| Consumer Confidence Rule | AZ0402027 | Unaddressed | Jul 1, 2025 |
| FluorideHealth-basedReported 6.4 MG/L · MCL 4 | AZ0402027 | Archived | Jul 1, 2025through Sep 30, 2025 |
| Revised Total Coliform Rule | AZ0402027 | Resolved | Jun 1, 2025through Aug 1, 2025 |
| Chlorine | AZ0402027 | Resolved | May 1, 2025through May 31, 2025 |
| FluorideHealth-basedReported 6.6 MG/L · MCL 4 | AZ0402027 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| Chlorine | AZ0402027 | Resolved | Mar 1, 2025through Mar 31, 2025 |
| FluorideHealth-basedReported 6.7 MG/L · MCL 4 | AZ0402027 | Archived | Jan 1, 2025through Mar 31, 2025 |
| Chlorine | AZ0402027 | Resolved | Dec 1, 2024through Dec 31, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | AZ0402027 | Addressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | AZ0402027 | Addressed | Oct 17, 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
Your personalized water action plan
Matched to San Simon ZIP 85632 using 242.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
242.5 PPM is 2× 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
Fluoride, LEAD AND COPPER RULE REVISIONS 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 San Simon
Is tap water safe in San Simon?+
EPA ECHO reports 1 active health-based violation 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 242.5 PPM, or 14.2 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 242.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.