Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Charlestown, RI 02813
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Washington County.
1 active health-based record(s) across possible systems
- Largest possible serving system
- Central Beach Fire District
- Source water
- Groundwater
- County
- Washington 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
Review needed
1 active health-based record
Measurements by utility
Each result belongs to a specific system.
Utility match
8 systems
Serves 470 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.
Central Beach Fire District
RI1647512 · Groundwater · 470 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
1 reported active health-based record(s) for this system
Find this utility’s official report →Measurements (3)
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
- 6.0e-4 mg/L
- Action level
- 0.015 mg/L
4% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.6655 mg/L
- Action level
- 1.3 mg/L
128% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Nitrate
EPA SDWIS reported health-based violation
- Reported level
- 14 MG/L
- Maximum contaminant level
- 10 MG/L
140% of the listed benchmark
Monitoring period: Jul 1, 2023 to Sep 30, 2023
Violation history (26)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper RuleHealth-based | Unaddressed | Aug 13, 2025 |
| Xylenes, Total | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| DICHLOROMETHANE | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Trichloroethylene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| CHLOROBENZENE | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Benzene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Toluene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Styrene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| p-Dichlorobenzene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| o-Dichlorobenzene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Combined Uranium | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Ethylbenzene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Tetrachloroethylene | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Vinyl chloride | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Carbon tetrachloride | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Public Notice | Resolved | Aug 30, 2023 to Nov 1, 2023 |
| NitrateHealth-based | Resolved | Jul 1, 2023 to Sep 30, 2023 |
| Nitrate | Resolved | Jul 1, 2023 to Sep 30, 2023 |
Quonochontaug East Beach Water Associati
RI1647511 · Groundwater · 300 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
- 0.0026 mg/L
- Action level
- 0.015 mg/L
17% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.7429 mg/L
- Action level
- 1.3 mg/L
134% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (58)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Unaddressed | Jan 1, 2025 |
| BHC-GAMMA | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Toxaphene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| OXAMYL | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Simazine | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Hexachlorocyclopentadiene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Aldicarb sulfone | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Carbofuran | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Aldicarb | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Atrazine | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| LASSO | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Heptachlor | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Heptachlor epoxide | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 2,4-D | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| HEXACHLOROBENZENE | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Pentachlorophenol | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| ETHYLENE DIBROMIDE | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Dinoseb | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Dalapon | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Benzo(a)pyrene | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 2,4,5-TP | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Endrin | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Methoxychlor | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Chlordane | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Picloram | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Aldicarb sulfoxide | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Endrin | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| BHC-GAMMA | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Methoxychlor | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Dalapon | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| OXAMYL | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Picloram | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Dinoseb | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Aldicarb sulfoxide | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Aldicarb sulfone | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Carbofuran | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Aldicarb | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Atrazine | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| LASSO | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Heptachlor | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| 2,4-D | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Pentachlorophenol | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Chlordane | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| 2,4,5-TP | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| HEXACHLOROBENZENE | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Benzo(a)pyrene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Simazine | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| ETHYLENE DIBROMIDE | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Heptachlor epoxide | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Hexachlorocyclopentadiene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Toxaphene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Lead and Copper Rule | Resolved | Dec 30, 2021 to Mar 28, 2022 |
Shady Harbor Fire District
RI1559513 · Groundwater · 300 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
- 0.0019 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
- Reported level
- 2.54 mg/L
- Action level
- 1.3 mg/L
195% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
Violation history (1)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Jul 25, 2023 |
Castle Rock Condominiums
RI1000035 · Groundwater · 292 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, 2021 to Dec 31, 2023
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 4.31 mg/L
- Action level
- 1.3 mg/L
332% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
Violation history (2)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Resolved | Dec 30, 2024 to Feb 27, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Aug 3, 2023 |
Charlestown Cedars Llc
RI2674925 · Groundwater · 150 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
- 0.001 mg/L
- Action level
- 0.015 mg/L
7% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 2.44 mg/L
- Action level
- 1.3 mg/L
188% of the listed benchmark
Monitoring period: Jan 1, 2009 to Jun 30, 2009
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Ninigret Realty
RI2674928 · Groundwater · 109 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
- 0.003 mg/L
- Action level
- 0.015 mg/L
20% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2023
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.526 mg/L
- Action level
- 1.3 mg/L
117% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2023
Violation history (2)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Jul 2, 2025 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2023 to Aug 31, 2023 |
Church Woods
RI2980017 · Groundwater · 98 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, 2023
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Border Hill Mobile Home Park
RI2674924 · Groundwater · 75 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
- 0.003 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
- Reported level
- 1.5 mg/L
- Action level
- 1.3 mg/L
115% of the listed benchmark
Monitoring period: Jan 1, 2007 to Jun 30, 2007
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Hardness meter
What does nearby environmental evidence show?
53.9
PPM as CaCO₃
Soft
PPM
53.9
GPG
3.2
Regional environmental evidence
USGS hardness classification scale
53.9 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
53.9
mg/L as CaCO₃ equivalent
Grains per gallon
3.2
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
4
Nearest site
8.8 mi
Observation range
Apr 11, 2017–Sep 17, 2019
Regional evidence confidence
Low
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: RI-WEW 585 (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 02813 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Charlestown median
54 PPM
About the same1 indexed ZIP readings · Range 53.9–53.9 PPM
Rhode Island median
20 PPM
34 PPM higher33 indexed ZIP readings · Range 14.6–65.5 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
An active health-based record is present. Follow the utility's current notice and public-health instructions.
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 →Frequently asked
Water questions for Charlestown
Is tap water safe in Charlestown?+
EPA ECHO reports 1 active health-based violation among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
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.