St John's Water (1020002) Water System

MyTapWater.org's tap water quality report is the compilation of data collected from federal, state, and local government agencies, most prominently the EPA. We strive to populate the report with the latest data concerning water contaminants, lead and copper levels, and water quality violations. We only collect drinking water data from public water systems.

PWS Service Information
PWS ID: SC1020002
Type: Community water system
EPA Region: 04
Primary Service Area: Residential Area
Primary Source: Surface water purchased
Population Served: 12,904
Contact Information
ROBICHAUX, AVA
ROBICHAUX, AVA
PO BOX 629
JOHNS ISLAND, SC 29457
[email protected]

This public water system services 1 municipality in 1 county.

Summary Results


A summary view of tests in which a water contaminant found to exceed the Maximum Contaminant Level (MCL) set by the EPA.

Maximum Contaminant Levels Exceeded (by year):

2013   (1) 2014   (0) 2015   (0) 2016   (0) 2017   (0) 2018   (0)
chlorate

Contaminant Detailed Results


This a view of violations of maximum contaminant levels. Use the expanded view see result data for a drinking water contaminant, the minimum level that can be recognized in a test (MRL), and upper limit that is considered healthy (HRL).

chlorate

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2013 2013-10-15 20 210 190
2013 2013-10-15 20 210 200
2013 2013-07-22 20 210 240
2013 2013-07-22 20 210 230
2013 2013-04-22 20 210 180
2013 2013-04-22 20 210 180
2013 2013-01-28 20 210 130
2013 2013-01-28 20 210 140

Other Water Contaminants Tested


The following contaminants were tested and found to be within national EPA guidelines.

Contaminant MRLMinimum Reporting Level HRLHealth Risk Limit Avg Result
1,1-dichloroethane 0.03 6.14 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.03 6.14 < 0.03
2013 2013-07-22 0.03 6.14 < 0.03
2013 2013-04-22 0.03 6.14 < 0.03
2013 2013-01-28 0.03 6.14 < 0.03
1,2,3-trichloropropane 0.03 0.0004 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.03 0.0004 < 0.03
2013 2013-07-22 0.03 0.0004 < 0.03
2013 2013-04-22 0.03 0.0004 < 0.03
2013 2013-01-28 0.03 0.0004 < 0.03
1,3-butadiene 0.1 0.0103 < 0.1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.1 0.0103 < 0.1
2013 2013-07-22 0.1 0.0103 < 0.1
2013 2013-04-22 0.1 0.0103 < 0.1
2013 2013-01-28 0.1 0.0103 < 0.1
1,4-dioxane 0.07 0.35 0.13 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.07 0.35 0.2
2013 2013-07-22 0.07 0.35 < 0.07
2013 2013-04-22 0.07 0.35 0.16
2013 2013-01-28 0.07 0.35 0.16
bromomethane 0.2 140 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.2 140 < 0.2
2013 2013-07-22 0.2 140 < 0.2
2013 2013-04-22 0.2 140 < 0.2
2013 2013-01-28 0.2 140 < 0.2
chloromethane 0.2 2.69 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.2 2.69 < 0.2
2013 2013-07-22 0.2 2.69 < 0.2
2013 2013-04-22 0.2 2.69 < 0.2
2013 2013-01-28 0.2 2.69 < 0.2
chromium 0.2 100 0.0663 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.2 100 < 0.2
2013 2013-10-15 0.2 100 < 0.2
2013 2013-08-14 0.2 100 < 0.2
2013 2013-07-22 0.2 100 0.32
2013 2013-04-22 0.2 100 0.21
2013 2013-04-22 0.2 100 < 0.2
2013 2013-01-28 0.2 100 < 0.2
2013 2013-01-28 0.2 100 < 0.2
chromium-6 0.03 0 0.0674 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.03 0 0.06
2013 2013-10-15 0.03 0 0.055
2013 2013-07-22 0.03 0 0.064
2013 2013-07-22 0.03 0 0.067
2013 2013-04-22 0.03 0 0.066
2013 2013-04-22 0.03 0 0.062
2013 2013-01-28 0.03 0 0.087
2013 2013-01-28 0.03 0 0.078
cobalt 1 70 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 1 70 < 1
2013 2013-10-15 1 70 < 1
2013 2013-08-14 1 70 < 1
2013 2013-07-22 1 70 < 1
2013 2013-04-22 1 70 < 1
2013 2013-04-22 1 70 < 1
2013 2013-01-28 1 70 < 1
2013 2013-01-28 1 70 < 1
Halon 1011 0.06 90 < 0.06 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.06 90 < 0.06
2013 2013-07-22 0.06 90 < 0.06
2013 2013-04-22 0.06 90 < 0.06
2013 2013-01-28 0.06 90 < 0.06
HCFC-22 0.08 0 < 0.08 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.08 0 < 0.08
2013 2013-07-22 0.08 0 < 0.08
2013 2013-04-22 0.08 0 < 0.08
2013 2013-01-28 0.08 0 < 0.08
molybdenum 1 40 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 1 40 < 1
2013 2013-10-15 1 40 < 1
2013 2013-08-14 1 40 < 1
2013 2013-07-22 1 40 < 1
2013 2013-04-22 1 40 < 1
2013 2013-04-22 1 40 < 1
2013 2013-01-28 1 40 < 1
2013 2013-01-28 1 40 < 1
PFBS 0.09 0 < 0.09 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.09 0 < 0.09
2013 2013-07-22 0.09 0 < 0.09
2013 2013-04-22 0.09 0 < 0.09
2013 2013-01-28 0.09 0 < 0.09
PFHpA 0.01 0 < 0.01 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.01 0 < 0.01
2013 2013-07-22 0.01 0 < 0.01
2013 2013-04-22 0.01 0 < 0.01
2013 2013-01-28 0.01 0 < 0.01
PFHxS 0.03 0 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.03 0 < 0.03
2013 2013-07-22 0.03 0 < 0.03
2013 2013-04-22 0.03 0 < 0.03
2013 2013-01-28 0.03 0 < 0.03
PFNA 0.02 0 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.02 0 < 0.02
2013 2013-07-22 0.02 0 < 0.02
2013 2013-04-22 0.02 0 < 0.02
2013 2013-01-28 0.02 0 < 0.02
PFOA 0.02 0.07 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.02 0.07 < 0.02
2013 2013-07-22 0.02 0.07 < 0.02
2013 2013-04-22 0.02 0.07 < 0.02
2013 2013-01-28 0.02 0.07 < 0.02
PFOS 0.04 0.07 < 0.04 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.04 0.07 < 0.04
2013 2013-07-22 0.04 0.07 < 0.04
2013 2013-04-22 0.04 0.07 < 0.04
2013 2013-01-28 0.04 0.07 < 0.04
strontium 0.3 1500 53.75 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.3 1500 54
2013 2013-10-15 0.3 1500 53
2013 2013-08-14 0.3 1500 59
2013 2013-07-22 0.3 1500 54
2013 2013-04-22 0.3 1500 65
2013 2013-04-22 0.3 1500 57
2013 2013-01-28 0.3 1500 42
2013 2013-01-28 0.3 1500 46
vanadium 0.2 21 1.1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-10-15 0.2 21 1
2013 2013-10-15 0.2 21 0.98
2013 2013-08-14 0.2 21 1.3
2013 2013-07-22 0.2 21 1.4
2013 2013-04-22 0.2 21 1.2
2013 2013-04-22 0.2 21 1.3
2013 2013-01-28 0.2 21 0.7
2013 2013-01-28 0.2 21 0.92

Lead and Copper Data


Lead and copper are recorded separately from other contaminants because of the Lead and Copper Rule. As with all other results, these are the findings at the water supply level. Lead and copper can be — and often are — deposited in drinking water in between the water facility and your tap.

Sample ID Contaminant Sampling Start Date Sampling End Date Result
SC141294 lead 2014-01-01 2016-12-31 0.0013mg/L
SC116899 lead 2011-01-01 2013-12-31 0.0012mg/L
SC82910 lead 2008-01-01 2010-12-31 0mg/L

Violations


Known violations of the Safe Drinking Water Act as recorded by the EPA.

Compliance Dates Rule Violation Type Contaminant Name Status
2015-09-01 - 2015-09-30 Total Coliform Rule Monitoring, Repeat Minor (TCR) Coliform (TCR) Returned to Compliance
- N/A Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Known
- N/A Total Coliform Rule Monitoring, Routine Major (TCR) Coliform (TCR) Known
- N/A Total Coliform Rule Monitoring, Routine Major (TCR) Coliform (TCR) Known
- N/A Lead and Copper Rule Initial Tap Sampling for Pb and Cu Lead and Copper Rule Returned to Compliance
- N/A Lead and Copper Rule Initial Tap Sampling for Pb and Cu Lead and Copper Rule Returned to Compliance

Local Water Testing


Find a lab in your area so you can get your tap or well water tested. This list contains both governmental and private labs, all of which are EPA-certified for drinking water testing.

Lab Location Zip Code
GEL Laboratories, LLC Charleston, SC 29407
GEL Laboratories, LLC Charleston, SC 29407
GEL Laboratories, LLC Charleston, SC 29417

Water Bill Information


Convenient information about your water service.

Unable to identify any billing information about St John's Water (1020002) (SC1020002).

What My Water Data Means


Water data isn't always easy to interpret, but by following the links on this page you should be able to have most of your questions answered. By clicking the name of a water contaminant or secondary substance you can learn about that specific substance. Ultimately this page should give you some insight towards learning if your water is safe, what water filter you should buy (if any), and how well your local water compares against other sources.

Sources


The origin of MyTapWater.org's water data is explained on our Data Sources page.

Why Is My Water Data Not More Recent?


The recency of the data for your ZIP code depends on the last your water source was tested, by a federal, state, or local agency. More information about the timing can be determined by learning about the dataset in question and seeing how often the EPA (other another governing body) mandated testing.