Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Jacksonville, NC 28542
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Onslow County.
Historical measurement record needs context
- Largest possible serving system
- Onslow Wtr And Sewer Authority
- Source water
- Groundwater
- County
- Onslow County
- Profile updated
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 →At a glance
What the current records say
EPA quarter 2026Q2
All possible systems
No active flag
0 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
9 systems
Serves 156,755 people system-wide
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.
Onslow Wtr And Sewer Authority
NC0467035 · Groundwater · 156,755 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
- 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 (5)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Oct 28, 2024 to Dec 18, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Nov 7, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Nov 7, 2024 |
| Revised Total Coliform Rule | Resolved | Dec 11, 2023 to Jan 3, 2024 |
| Revised Total Coliform Rule | Resolved | Jul 11, 2023 to Jul 11, 2023 |
Jacksonville City Of
NC0467010 · Groundwater · 49,093 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
- 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 (2)
| Rule | Status | Period |
|---|---|---|
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Oct 17, 2024 |
Lauradale S/d
NC0467136 · Groundwater · 2,527 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
- Reported level
- 0.004 mg/L
- Action level
- 0.015 mg/L
27% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 2.261 mg/L
- Action level
- 1.3 mg/L
174% of the listed benchmark
Monitoring period: Jul 1, 2021 to Dec 31, 2021
Violation history (21)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper RuleHealth-based | Resolved | Mar 11, 2024 to Jun 6, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| TTHM | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Lead and Copper Rule | Addressed | Oct 1, 2023 |
| Public Notice | Resolved | Jul 26, 2023 to Jan 3, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Nov 7, 2023 |
| Public Notice | Resolved | Oct 22, 2022 to Jan 3, 2024 |
| Public Notice | Resolved | Oct 22, 2022 to Jan 3, 2024 |
| Public Notice | Resolved | Oct 22, 2022 to Jan 3, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Sep 1, 2022 to Aug 31, 2023 |
| TTHM | Resolved | Sep 1, 2022 to Aug 31, 2023 |
| Lead and Copper Rule | Resolved | Jul 1, 2022 to Dec 31, 2022 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Nov 9, 2022 |
| Lead and Copper Rule | Resolved | Apr 1, 2022 to Jan 9, 2023 |
| Nitrate | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Nitrate | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Nitrate | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Oct 14, 2021 |
| Lead and Copper Rule | Resolved | Jul 1, 2021 to Dec 31, 2021 |
| Lead and Copper Rule | Resolved | Jul 1, 2021 to Nov 29, 2022 |
| Lead and Copper RuleHealth-based | Resolved | Jul 1, 2021 to Dec 21, 2022 |
Raintree/summersill Estates #2
NC0467222 · Groundwater · 1,539 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
- 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
Violation history (28)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Sep 21, 2025 to Feb 12, 2026 |
| Public Notice | Resolved | Jul 19, 2025 to Feb 12, 2026 |
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Jul 3, 2025 |
| Total Haloacetic Acids (HAA5) | Resolved | Jul 1, 2024 to Sep 30, 2024 |
| TTHM | Resolved | Jul 1, 2024 to Sep 30, 2024 |
| TTHM | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Public Notice | Resolved | Nov 15, 2023 to Jan 19, 2024 |
| Public Notice | Resolved | Jul 28, 2023 to Jan 3, 2024 |
| Public Notice | Resolved | Jul 28, 2023 to Jan 3, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Dec 29, 2023 |
| TTHM | Resolved | Jun 1, 2023 to Aug 31, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Jun 1, 2023 to Aug 31, 2023 |
| TTHM | Resolved | Dec 1, 2022 to Feb 28, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Dec 1, 2022 to Feb 28, 2023 |
| Public Notice | Resolved | Nov 11, 2022 to Jan 9, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Jul 19, 2023 |
| TTHM | Resolved | Sep 1, 2022 to Nov 30, 2022 |
| Total Haloacetic Acids (HAA5) | Resolved | Sep 1, 2022 to Nov 30, 2022 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Nov 22, 2022 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2022 to Jun 30, 2022 |
| Chlorine | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Lead and Copper Rule | Resolved | Oct 1, 2021 to Sep 28, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Sep 1, 2021 to Nov 30, 2021 |
| TTHM | Resolved | Sep 1, 2021 to Nov 30, 2021 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Oct 14, 2021 |
| Total Haloacetic Acids (HAA5) | Resolved | Mar 1, 2021 to May 31, 2021 |
| TTHM | Resolved | Mar 1, 2021 to May 31, 2021 |
Osprey Cove 1
NC0467103 · Groundwater · 475 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
- 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 (4)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Sep 11, 2025 to Oct 15, 2025 |
| Revised Total Coliform Rule | Resolved | Aug 11, 2025 to Aug 11, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2025 to Aug 15, 2025 |
| Chlorine | Resolved | Oct 1, 2022 to Dec 31, 2022 |
Osprey Cove 2
NC0467102 · Groundwater · 475 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
- 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 (7)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Sep 11, 2025 to Oct 23, 2025 |
| Total Haloacetic Acids (HAA5) | Resolved | Jul 1, 2025 to Sep 30, 2025 |
| TTHM | Resolved | Jul 1, 2025 to Sep 30, 2025 |
| TTHM | Addressed | Apr 6, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2025 to Nov 19, 2025 |
| Chlorine | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Lead and Copper Rule | Resolved | Jan 1, 2022 to Mar 17, 2022 |
City Of Jacksonville - Springfield Apts
NC7067007 · Groundwater · 385 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
- Reported level
- 0 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2023 to Jun 30, 2023
Violation history (4)
| Rule | Status | Period |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Addressed | Apr 1, 2026 to Jun 30, 2026 |
| TTHM | Addressed | Apr 1, 2026 to Jun 30, 2026 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Oct 17, 2024 |
Summersill Estates No 1
NC0467224 · Groundwater · 163 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
- 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 (23)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Dec 18, 2025 to Feb 12, 2026 |
| Public Notice | Resolved | Jul 19, 2025 to Feb 12, 2026 |
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Aug 12, 2025 |
| TTHM | Resolved | Oct 1, 2024 to Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Oct 1, 2024 to Dec 31, 2024 |
| TTHM | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| Public Notice | Resolved | Nov 15, 2023 to Jan 19, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Jan 5, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Jun 1, 2023 to Aug 31, 2023 |
| TTHM | Resolved | Jun 1, 2023 to Aug 31, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Dec 1, 2022 to Feb 28, 2023 |
| TTHM | Resolved | Dec 1, 2022 to Feb 28, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Jul 19, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Sep 1, 2022 to Nov 30, 2022 |
| TTHM | Resolved | Sep 1, 2022 to Nov 30, 2022 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Nov 22, 2022 |
| Public Notice | Resolved | Feb 25, 2022 to Mar 7, 2022 |
| Total Haloacetic Acids (HAA5) | Resolved | Sep 1, 2021 to Nov 30, 2021 |
| TTHM | Resolved | Sep 1, 2021 to Nov 30, 2021 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Feb 9, 2022 |
| Chlorine | Resolved | Jan 1, 2021 to Feb 1, 2021 |
| Lead and Copper Rule | Addressed | Jan 1, 2020 |
Southgate Mhp
NC0467229 · Groundwater · 94 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
- Reported level
- 0.002 mg/L
- Action level
- 0.015 mg/L
13% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
TTHM
EPA SDWIS reported health-based violation
- Reported level
- 0.081 MG/L
- Maximum contaminant level
- 0.08 MG/L
101% of the listed benchmark
Monitoring period: Jul 1, 2023 to Sep 30, 2023
Violation history (24)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Feb 25, 2024 to Jun 6, 2024 |
| Public Notice | Resolved | Nov 15, 2023 to Jan 19, 2024 |
| Public Notice | Resolved | Jul 31, 2023 to Nov 29, 2023 |
| TTHMHealth-based | Resolved | Jul 1, 2023 to Sep 30, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Nov 7, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Jun 1, 2023 to Aug 31, 2023 |
| TTHM | Resolved | Jun 1, 2023 to Aug 31, 2023 |
| Public Notice | Resolved | Apr 21, 2023 to Aug 10, 2023 |
| TTHMHealth-based | Resolved | Apr 1, 2023 to Jun 30, 2023 |
| Public Notice | Resolved | Feb 13, 2023 to May 11, 2023 |
| TTHMHealth-based | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| TTHM | Resolved | Dec 7, 2022 to May 15, 2023 |
| TTHM | Resolved | Dec 1, 2022 to Feb 28, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Dec 1, 2022 to Feb 28, 2023 |
| Public Notice | Resolved | Oct 29, 2022 to May 11, 2023 |
| Lead and Copper Rule | Resolved | Oct 1, 2022 to Jul 19, 2023 |
| TTHMHealth-based | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| TTHM | Resolved | Sep 1, 2022 to Nov 30, 2022 |
| Total Haloacetic Acids (HAA5) | Resolved | Sep 1, 2022 to Nov 30, 2022 |
| TTHMHealth-based | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Nov 21, 2022 |
| TTHM | Resolved | Sep 1, 2021 to Nov 30, 2021 |
| Total Haloacetic Acids (HAA5) | Resolved | Sep 1, 2021 to Nov 30, 2021 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Feb 10, 2022 |
Hardness meter
What does nearby environmental evidence show?
183.5
PPM as CaCO₃
Very Hard
PPM
183.5
GPG
10.7
Regional environmental evidence
USGS hardness classification scale
183.5 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
183.5
mg/L as CaCO₃ equivalent
Grains per gallon
10.7
1 GPG ≈ 17.1 PPM
How to use regional evidence
These samples describe nearby environmental water. They cannot establish whether your tap water is soft or hard. Use a utility result or a tap test for appliance settings and treatment sizing.
USGS sites used
16
Nearest site
4.3 mi
Observation range
Aug 23, 2022–Jul 26, 2024
Regional evidence confidence
High
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: ON-528 W 25O7 NR JACKSONVILLE, NC (Well).USGS source documentation ↗Evidence tier: Regional environmental evidence. This value is not used as proof of the serving utility's treated-water hardness.
Regional context
Is 28542 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Jacksonville median
188 PPM
About the same6 indexed ZIP readings · Range 183.5–194.5 PPM
North Carolina median
45 PPM
139 PPM higher247 indexed ZIP readings · Range 3.1–269 PPM
Evidence-first next steps
Confirm the problem before choosing treatment
This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.
Confirm the serving system
ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.
Read the current utility report
A reported action-level record needs context. Check its monitoring period and the utility's current report.
Find an official utility report →Test for the decision you face
Use a tap hardness test before sizing a softener. For health concerns, use a certified laboratory and the correct sampling protocol.
Convert your hardness test result →Nearby indexed reports
More local profiles in Jacksonville
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Jacksonville
Is tap water safe in Jacksonville?+
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?+
Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.
Do I need a water softener?+
Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.