City water profile

Water hardness in Franklin

Find official utility reports, understand hardness, and check the water system serving your home in Franklin, Louisiana.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 1

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

City Of Franklin Water Supply

LA1101003 · Surface water · 8,325 people served system-wide

A municipal system, in-state city, and served county all agree with this Census ZCTA.

1 reported active health-based record(s) for this system

Find this utility’s official report →

Measurements (4)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0.002 mg/L
Action level: 0.015 mg/L

13% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 1.4 mg/L
Action level: 1.3 mg/L

108% of the listed benchmark

Monitoring period: Jan 1, 2015 to Dec 31, 2017

Total Haloacetic Acids (HAA5)

EPA SDWIS reported health-based violation

Reported violation

Reported level: 0.067 MG/L
Maximum contaminant level: 0.06 MG/L

112% of the listed benchmark

Monitoring period: Oct 1, 2024 to Dec 31, 2024

TTHM

EPA SDWIS reported health-based violation

Reported violation

Reported level: 0.081 MG/L
Maximum contaminant level: 0.08 MG/L

101% of the listed benchmark

Monitoring period: Apr 1, 2024 to Jun 30, 2024

Violation history (49)

Imported violation history for City Of Franklin Water Supply
Rule	Status	Period
Public Notice	Resolved	Jun 21, 2025 to Jul 1, 2025
Public Notice	Resolved	May 2, 2025 to May 7, 2025
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Apr 1, 2025 to Apr 30, 2025
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Mar 1, 2025 to Mar 31, 2025
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Mar 1, 2025 to Mar 31, 2025
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Feb 1, 2025 to Feb 28, 2025
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Feb 1, 2025 to Feb 28, 2025
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Jan 1, 2025 to Jan 31, 2025
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Jan 1, 2025 to Jan 31, 2025
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Dec 1, 2024 to Dec 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Nov 1, 2024 to Nov 30, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Oct 1, 2024 to Oct 31, 2024
Total Haloacetic Acids (HAA5)Health-based	Resolved	Oct 1, 2024 to Dec 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Oct 1, 2024 to Oct 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Sep 1, 2024 to Sep 30, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Sep 1, 2024 to Sep 30, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Aug 1, 2024 to Aug 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Aug 1, 2024 to Aug 31, 2024
Public Notice	Unaddressed	Jul 11, 2024
Interim Enhanced Surface Water Treatment Rule	Archived	Jul 1, 2024 to Jul 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Jul 1, 2024 to Jul 31, 2024
Total Haloacetic Acids (HAA5)Health-based	Resolved	Jul 1, 2024 to Sep 30, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Jun 1, 2024 to Jun 30, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	May 1, 2024 to May 31, 2024
Interim Enhanced Surface Water Treatment Rule	Archived	May 1, 2024 to May 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	May 1, 2024 to May 31, 2024
Total Haloacetic Acids (HAA5)Health-based	Resolved	Apr 1, 2024 to Jun 30, 2024
Interim Enhanced Surface Water Treatment Rule	Archived	Apr 1, 2024 to Apr 30, 2024
TTHMHealth-based	Resolved	Apr 1, 2024 to Jun 30, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Apr 1, 2024 to Apr 30, 2024
Public Notice	Unaddressed	Mar 27, 2024
Interim Enhanced Surface Water Treatment Rule	Archived	Mar 1, 2024 to Mar 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Mar 1, 2024 to Mar 31, 2024
Interim Enhanced Surface Water Treatment Rule	Archived	Feb 1, 2024 to Feb 29, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Feb 1, 2024 to Feb 29, 2024
TTHMHealth-based	Resolved	Jan 1, 2024 to Mar 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Archived	Jan 1, 2024 to Jan 31, 2024
Interim Enhanced Surface Water Treatment Rule	Archived	Jan 1, 2024 to Jan 31, 2024
Total Haloacetic Acids (HAA5)Health-based	Resolved	Jan 1, 2024 to Mar 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Oct 1, 2023 to Oct 31, 2023
Surface Water Treatment Rule	Resolved	Jul 1, 2023 to Jul 31, 2023
Long Term 2 Enhanced Surface Water Treatment RuleHealth-based	Unaddressed	Jul 1, 2023
Public Notice	Unaddressed	Mar 4, 2023
Interim Enhanced Surface Water Treatment Rule	Archived	Oct 1, 2022 to Oct 31, 2022
Surface Water Treatment Rule	Archived	Oct 1, 2022 to Oct 31, 2022
Surface Water Treatment Rule	Archived	Sep 1, 2022 to Sep 30, 2022
Interim Enhanced Surface Water Treatment Rule	Archived	Sep 1, 2022 to Sep 30, 2022
Lead and Copper Rule	Resolved	Oct 27, 2021 to Jun 30, 2021
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Jun 15, 2022

City summary

What the indexed records say

Franklin has 1 published ZIP profile across St. Mary Parish. The regional-evidence median is 139 PPM. The city does not meet the stricter comparison standard.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard1 ZIP

Very hard0 ZIPs

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 10.2 miles
Profiles with evidence: 1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Feb 14, 2017 to Jun 2, 2026.

ZIP directory

Water reports in Franklin

Open a ZIP for site-level provenance and measurements.

ZIP code

70538

Hard

138.5 PPM

Nearest site: 10.2 mi
Confidence: Moderate

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Louisiana communities

Berwick

St. Mary Parish

139 PPM median

Patterson

St. Mary Parish

139 PPM median

Shreveport

Caddo Parish

133 PPM median

Abbeville

Vermilion Parish

132 PPM median

Rayne

Acadia Parish

132 PPM median

Scott

Lafayette Parish

130 PPM median

Search all 52 Louisiana cities →

Questions people ask

About water in Franklin

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.