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City water profile

Water hardness in Rock Hill

Find official utility reports, understand hardness, and check the water system serving your home in Rock Hill, South Carolina.

Utility-reported hardness

Not yet available

Check your provider and source →
State comparison
Unavailable
Evidence comparison rank
—
Matched utilities
10
Active health records
0

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 →

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.

Rock Hill City Of (sc4610002)

SC4610002 · Surface water · 89,850 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (1)

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, 2021 to Dec 31, 2023

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Bgwc Wintercrest (sc4650017)

SC4650017 · Groundwater · 503 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (2)

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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

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, 2012 to Jun 30, 2012

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Catawba Indian Nation Cws (sc4650063)

SC4650063 · Surface water · 446 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (1)

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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (1)
Imported violation history for Catawba Indian Nation Cws (sc4650063)
RuleStatusPeriod
Consumer Confidence RuleUnaddressedOct 1, 2025

Bgwc Country Oaks (sc4650020)

SC4650020 · Surface water · 359 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (2)

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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jul 1, 2025 to Dec 31, 2025

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level
Reported level
1.48 mg/L
Action level
1.3 mg/L

114% of the listed benchmark

Monitoring period: Jan 1, 2015 to Jun 30, 2015

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Adnah Hills Mhp (sc4660115)

SC4660115 · Groundwater · 340 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (1)

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
0.003 mg/L
Action level
0.015 mg/L

20% of the listed benchmark

Monitoring period: Jan 1, 2020 to Dec 31, 2022

Violation history (6)
Imported violation history for Adnah Hills Mhp (sc4660115)
RuleStatusPeriod
Lead and Copper RuleUnaddressedOct 1, 2025
Consumer Confidence RuleUnaddressedOct 1, 2025
LEAD AND COPPER RULE REVISIONSResolvedOct 17, 2024 to Apr 23, 2025
LEAD AND COPPER RULE REVISIONSHealth-basedResolvedOct 17, 2024 to Apr 23, 2025
Consumer Confidence RuleUnaddressedOct 1, 2024
Consumer Confidence RuleUnaddressedOct 1, 2023

Green Earth Pws (sc4610009)

SC4610009 · Surface water · 280 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (1)

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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2019 to Dec 31, 2021

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Quail Meadows Park Llc (sc4660063)

SC4660063 · Groundwater · 221 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (1)

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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

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

Violation history (1)
Imported violation history for Quail Meadows Park Llc (sc4660063)
RuleStatusPeriod
Consumer Confidence RuleResolvedOct 1, 2023 to Oct 1, 2025

Bgwc Carowood (sc4650035)

SC4650035 · Groundwater · 212 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (2)

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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level
Reported level
1.64 mg/L
Action level
1.3 mg/L

126% of the listed benchmark

Monitoring period: Jul 1, 2019 to Dec 31, 2019

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Bgwc Silver Lakes-Windwood (sc4650034)

SC4650034 · Groundwater · 191 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (2)

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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level
Reported level
1.45 mg/L
Action level
1.3 mg/L

112% of the listed benchmark

Monitoring period: Jul 1, 2022 to Dec 31, 2022

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Bgwc Woodbridge (sc4650028)

SC4650028 · Groundwater · 173 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →
Measurements (2)

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
0.003 mg/L
Action level
0.015 mg/L

20% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level
Reported level
3.4145 mg/L
Action level
1.3 mg/L

263% of the listed benchmark

Monitoring period: Jul 1, 2003 to Dec 31, 2003

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

City summary

What the indexed records say

Rock Hill has 3 published ZIP profiles across York County. The regional-evidence median is 38 PPM. The city does not meet the stricter comparison standard.

The 37.7–37.7 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft3 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

3 of 3 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
8.8 miles
Profiles with evidence
3/3

Confidence labels

High: 0Moderate: 0Low: 3

Observation window: Apr 3, 2018 to Apr 3, 2018.

ZIP directory

Water reports in Rock Hill

Open a ZIP for site-level provenance and measurements.

Practical next steps

Move from index to evidence

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

Questions people ask

About water in Rock Hill

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.