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Water Hardness in Grosse Tete, LA

Louisiana · 1 zip codes · 7 matched water systems

146 PPM
8.6 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20267 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 7 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
2 USGS-backed sources
7 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 in Grosse Tete

These systems are matched to Grosse Tete, LA. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

7 water systems
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.
City Of Plaquemine Water System
LA1047005
Hard
213 PPMgroundwater14,043 servedHigh Confidence — USGS Monitoring
East Iberville Water System
LA1047007
Slightly Hard
99 PPMgroundwater6,657 servedEstimated — County Avg
Intracoastal Water System West
LA1047002
Slightly Hard
99 PPMsurface water6,465 servedEstimated — County Avg
Intracoastal Water System East
LA1047030
Slightly Hard
99 PPMgroundwater2,940 servedEstimated — County Avg
North Iberville Water System
LA1047024
Slightly Hard
99 PPMgroundwater1,524 servedEstimated — County Avg
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Grosse Tete, LA

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Grosse Tete, LA.

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Frequently Asked Questions

How hard is the water in Grosse Tete, LA?

The citywide weighted average water hardness in Grosse Tete, LA is 146 PPM (8.6 GPG), classified as moderately hard. This is based on 7 matched water systems.

Do I need a water softener in Grosse Tete, LA?

With a citywide average hardness of 146 PPM, a water softener is worth considering for homes in Grosse Tete. Confirm your tap reading before sizing equipment.

Is hard water in Grosse Tete, LA 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 Grosse Tete, LA?

Grosse Tete, Louisiana is served by 7 matched water systems across 1 zip code.

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