Hardness
Very Hard
288 PPM · 16.8 GPG
Local water dashboard
Official source aggregationWater quality in Page, AZ 86036
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Coconino County.
1 active health-based violation
- Primary matched system
- Page City Of
- Source water
- Surface water + Groundwater
- County
- Coconino 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
0.0057 mg/L
38% of action level
Utility match
3 systems
Serves 7,420 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
288 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
288
mg/L as CaCO₃ equivalent
Grains per gallon
16.8
1 GPG ≈ 17.1 PPM
What this means at home
At 288 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
46
Nearest site
8.2 mi
Observation range
Jan 14, 2016–Jun 9, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: COLORADO RIVER BELOW RM 14 (1-022) (Stream).USGS source documentation ↗
Regional context
Is 86036 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Page median
288 PPM
About the same2 indexed ZIP readings · Range 287–288 PPM
Arizona median
241 PPM
47 PPM higher285 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 pass2 fail
Lead (PB90)
0.0057 mg/L
Reported Dec 31, 2026
Copper (CU90)
1.5 mg/L
Reported Dec 31, 2007
Numerical coverage
3 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0057
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 1.5
EPA limit 1.3
TTHM
Measured in MG/L
Local 0.082
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 32
- Health-based
- 3
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Chlorine | AZ0403712 | Archived | Jan 1, 2026through Jan 31, 2026 |
| Lead and Copper Rule | AZ0403037 | Resolved | Oct 1, 2025through Oct 17, 2025 |
| TTHM | AZ0403712 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Total Haloacetic Acids (HAA5) | AZ0403712 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Chlorine | AZ0403712 | Resolved | Oct 1, 2025through Oct 31, 2025 |
| LEAD AND COPPER RULE REVISIONS | AZ0403712 | Resolved | Jul 2, 2025through Feb 4, 2026 |
| Chlorine | AZ0403712 | Resolved | Mar 1, 2025through Mar 31, 2025 |
| Public Notice | AZ0403712 | Resolved | Dec 20, 2024through Feb 13, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | AZ0403712 | Resolved | Oct 17, 2024through Dec 10, 2024 |
| LEAD AND COPPER RULE REVISIONS | AZ0403712 | Resolved | Oct 17, 2024through Dec 10, 2024 |
| Chlorine | AZ0403712 | Resolved | Oct 1, 2024through Oct 31, 2024 |
| Revised Total Coliform Rule | AZ0403712 | Resolved | Oct 1, 2024through Dec 6, 2024 |
| Public Notice | AZ0403037 | Unaddressed | Jul 12, 2024 |
| Lead and Copper Rule | AZ0403037 | Resolved | Apr 2, 2024through Jul 16, 2024 |
| Revised Total Coliform Rule | AZ0403037 | Resolved | Feb 1, 2024through Jul 12, 2024 |
| Consumer Confidence Rule | AZ0403037 | Resolved | Oct 2, 2023through Oct 20, 2023 |
| Lead and Copper Rule | AZ0403037 | Resolved | Oct 1, 2023through Jul 16, 2024 |
| Surface Water Treatment Rule | AZ0403017 | Resolved | Aug 1, 2023through Aug 31, 2023 |
| Interim Enhanced Surface Water Treatment Rule | AZ0403017 | Resolved | Aug 1, 2023through Aug 31, 2023 |
| Revised Total Coliform Rule | AZ0403712 | Resolved | Aug 1, 2023through Oct 4, 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 Page ZIP 86036 using 288 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
288 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
Copper (90th percentile), TTHM 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.
Nearby indexed reports
Compare ZIPs in Page
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Page
Is tap water safe in Page?+
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 288 PPM, or 16.8 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 288 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.