Hardness
Very Hard
200.5 PPM · 11.7 GPG
Local water dashboard
Official source aggregationWater quality in Hugo, OK 74743
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Choctaw County.
2 reported benchmark flags
- Primary matched system
- Hugo Municipal Authority
- Source water
- Surface water
- County
- Choctaw 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
0.0019 mg/L
13% of action level
Utility match
1 system
Serves 5,536 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
200.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
200.5
mg/L as CaCO₃ equivalent
Grains per gallon
11.7
1 GPG ≈ 17.1 PPM
What this means at home
At 200.5 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
13.9 mi
Observation range
Jun 8, 2016–Apr 6, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Pat Mayse Lk, Site MY nr Chicota, TX (Lake, Reservoir, Impoundment).USGS source documentation ↗
Regional context
Is 74743 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Hugo median
201 PPM
About the same1 indexed ZIP readings · Range 200.5–200.5 PPM
Oklahoma median
226 PPM
25 PPM lower148 indexed ZIP readings · Range 7–610 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)
0.0019 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
3 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0019
EPA limit 0.015
TTHM
Measured in MG/L
Local 0.092
EPA limit 0.08
Total Haloacetic Acids (HAA5)
Measured in MG/L
Local 0.062
EPA limit 0.06
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 51
- Health-based
- 50
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| CARBON, TOTALHealth-basedReported 0.69 RATIO | OK1010314 | Archived | Oct 1, 2025through Dec 31, 2025 |
| TTHMHealth-basedReported 0.092 MG/L · MCL 0.08 | OK1010314 | Archived | Oct 1, 2025through Dec 31, 2025 |
| TTHMHealth-basedReported 0.085 MG/L · MCL 0.08 | OK1010314 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.062 MG/L · MCL 0.06 | OK1010314 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.062 MG/L · MCL 0.06 | OK1010314 | Archived | Jul 1, 2025through Sep 30, 2025 |
| TTHMHealth-basedReported 0.088 MG/L · MCL 0.08 | OK1010314 | Archived | Jul 1, 2025through Sep 30, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.063 MG/L · MCL 0.06 | OK1010314 | Archived | Jul 1, 2025through Sep 30, 2025 |
| CARBON, TOTALHealth-basedReported 0.67 RATIO | OK1010314 | Archived | Jul 1, 2025through Sep 30, 2025 |
| TTHMHealth-basedReported 0.094 MG/L · MCL 0.08 | OK1010314 | Archived | Apr 1, 2025through Jun 30, 2025 |
| TTHMHealth-basedReported 0.105 MG/L · MCL 0.08 | OK1010314 | Archived | Apr 1, 2025through Jun 30, 2025 |
| CARBON, TOTALHealth-basedReported 0.93 RATIO | OK1010314 | Archived | Apr 1, 2025through Jun 30, 2025 |
| CARBON, TOTALHealth-basedReported 0.92 RATIO | OK1010314 | Archived | Jan 1, 2025through Mar 31, 2025 |
| TTHMHealth-basedReported 0.108 MG/L · MCL 0.08 | OK1010314 | Archived | Jan 1, 2025through Mar 31, 2025 |
| TTHMHealth-basedReported 0.099 MG/L · MCL 0.08 | OK1010314 | Archived | Jan 1, 2025through Mar 31, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | OK1010314 | Resolved | Oct 17, 2024through Jul 15, 2025 |
| LEAD AND COPPER RULE REVISIONS | OK1010314 | Resolved | Oct 17, 2024through Jul 15, 2025 |
| TTHMHealth-basedReported 0.104 MG/L · MCL 0.08 | OK1010314 | Archived | Oct 1, 2024through Dec 31, 2024 |
| TTHMHealth-basedReported 0.097 MG/L · MCL 0.08 | OK1010314 | Archived | Oct 1, 2024through Dec 31, 2024 |
| CARBON, TOTALHealth-basedReported 0.94 RATIO | OK1010314 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Surface Water Treatment RuleHealth-based | OK1010314 | Resolved | Aug 1, 2024through Aug 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
Your personalized water action plan
Matched to Hugo ZIP 74743 using 200.5 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
200.5 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
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 Hugo
Is tap water safe in Hugo?+
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 200.5 PPM, or 11.7 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 200.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.