How hard is the water in Mccormick, SC?

Nearby USGS observations produce an estimate of 12.1 ppm (0.7 grains per gallon), classified as soft. This is not a tap measurement.

Do I need a water softener in ZIP code 29899?

There is no high-hardness trigger in this profile. Confirm conditions with an at-home hardness test before purchasing equipment.

Local water dashboard

Official source aggregation

Water quality in Mccormick, SC 29899

Q: Is tap water safe in Mccormick?

EPA SDWIS shows no active health-based violation in this profile's reporting window. That is not the same as proving every contaminant is absent, and federal data can lag state and utility records.

A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Mccormick County.

1 reported benchmark flag

Primary matched system: Mccormick Co W&sa (sc3520002)
Source water: Surface water
County: Mccormick County
Profile updated: Jun 29, 2026

At a glance

What the current records say

EPA quarter 2026Q2

Hardness

Soft

12.1 PPM · 0.7 GPG

Compliance screen

No active flag

0 active health-based records

Lead 90th percentile

0 mg/L

0% of action level

Utility match

2 systems

Serves 8,500 people system-wide

Hardness meter

How hard is the water?

Soft

Estimated local hardness

USGS hardness classification scale

12.1 PPM

Soft
0–59Moderate
60–120Hard
121–180Very hard
181+

Parts per million

12.1

mg/L as CaCO₃ equivalent

Grains per gallon

0.7

1 GPG ≈ 17.1 PPM

What this means at home

At 12.1 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

Nearest site

34.9 mi

Observation range

Jan 7, 2016–Dec 9, 2024

Estimate confidence

Low

Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: TRIB TO MCCOYS CREEK AT FORT GORDON, GA (Stream).USGS source documentation ↗

Regional context

Is 29899 typical?

These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.

Mccormick median

12 PPM

About the same

1 indexed ZIP readings · Range 12.1–12.1 PPM

South Carolina median

19 PPM

7 PPM lower

236 indexed ZIP readings · Range 4.2–106 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 pass1 fail

Lead (PB90)

0 mg/L

Reported Dec 31, 2025

Copper (CU90)

Not available

No numerical 90th-percentile result

Numerical coverage

2 comparable results

Missing values remain blank; absence is not treated as a pass.

Lead (90th percentile)

Measured in mg/L

Pass

Local 0

EPA limit 0.015

TTHM

Measured in MG/L

Fail

Local 0.082

EPA limit 0.08

Share of EPA benchmark

100% line = listed limit

EPA SDWIS compliance

Reported violation history

Open EPA source documentation ↗

2026Q2

All records: 11
Health-based: 8
Active health-based: 0

Contaminant or rule	System	Status	Period
TTHMHealth-basedReported 0.082 MG/L · MCL 0.08	SC3520002	Resolved	Jan 1, 2023through Mar 31, 2023
TTHMHealth-basedReported 0.097 MG/L · MCL 0.08	SC3520002	Resolved	Oct 1, 2022through Dec 31, 2022
TTHMHealth-basedReported 0.085 MG/L · MCL 0.08	SC3510001	Resolved	Oct 1, 2022through Dec 31, 2022
CARBON, TOTAL	SC3510001	Resolved	Oct 1, 2022through Dec 1, 2022
TTHMHealth-basedReported 0.115 MG/L · MCL 0.08	SC3520002	Resolved	Jul 1, 2022through Sep 30, 2022
TTHMHealth-basedReported 0.084 MG/L · MCL 0.08	SC3510001	Resolved	Jul 1, 2022through Sep 30, 2022
Consumer Confidence Rule	SC3510001	Resolved	Jul 1, 2022through Jul 31, 2022
TTHMHealth-basedReported 0.111 MG/L · MCL 0.08	SC3520002	Resolved	Apr 1, 2022through Jun 30, 2022
TTHMHealth-basedReported 0.084 MG/L · MCL 0.08	SC3510001	Resolved	Apr 1, 2022through Jun 30, 2022
TTHMHealth-basedReported 0.099 MG/L · MCL 0.08	SC3520002	Resolved	Jan 1, 2022through Mar 31, 2022
TTHM	SC3520002	Addressed	Aug 13, 2014

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 Mccormick ZIP 29899 using 12.1 PPM nearby hardness and 2 reported measurement benchmarks.

1 match

Drinking water protection

Under-Sink Reverse Osmosis System

TTHM has 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 filtration

Affiliate 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 Mccormick

Is tap water safe in Mccormick?+

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 12.1 PPM, or 0.7 grains per gallon, classified as soft. This is not a household tap measurement.

Do I need a water softener?+

There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.