Where does the water in 74743 come from?

Water for zip code 74743 in Hugo, Oklahoma is provided by 1 water system. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 74743

Hugo, Oklahoma · Choctaw County

273 PPM

15.9 GPG

Very Hard

0Soft60120180300+

High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 1 water systemTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 1 matched water system. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis

1 USGS-backed source

1 matched system total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.

Water source profile

Primarily surface water

Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.

Data recency

March 9, 2026

Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 74743

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

1 water system

PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.

Water System	Source	Hardness	Pop. Served	Data Source
Hugo Municipal Authority OK1010314	surface water	273 PPM Very Hard	5,536	High Confidence - USGS Monitoring

Hugo Municipal Authority

OK1010314

Very Hard

273 PPMsurface water5,536 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

74738273 747562 747592 7541184 7547384 74760163 74735273 74761273 74523273 74727273 74755163 7548684

What This Means For You

Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.

Methodology Data sources How to test your water

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Hugo, OK (74743).

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Frequently Asked Questions

Is the water hard in Hugo, OK (74743)?

The average water hardness in 74743 is 273 PPM (15.9 GPG), which is classified as very hard.

Do I need a water softener in 74743?

With hardness of 273 PPM, a water softener is recommended for homes in 74743.

Is hard water in 74743 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 74743?

Zip code 74743 in Hugo, Oklahoma is served by 1 water system.