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Is Carlisle Tap Water Safe to Drink?

Yes! Generally Safe to Drink*

LAST UPDATED: 7:48 pm, August 10, 2022
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Table of Contents

Can You Drink Tap Water in Carlisle?

Yes, Carlisle's tap water is generally considered safe to drink as Carlisle has no active health based violations of the Safe Drinking Water Act (SDWA) that we are aware of. Other factors such as lead piping in a home, or low levels of pollutants on immunocompromised individuals, should also be considered, however. To find more recent info we might have, you can check out our boil water notice page or the city's water provider website.

According the EPA’s ECHO database, from April 30, 2019 to June 30, 2022, Carlisle's water utility, Carlisle Water Trmt Plt, had 4 non-health-based violations of the Safe Drinking Water Act. For more details on the violations, please see our violation history section below. The last violation for Carlisle was resolved on Dec. 31, 2021. This assessment is based on the Carlisle Water Trmt Plt water system, other water systems in the city may have different results.

While tap water that meets the EPA health guidelines generally won’t make you sick to your stomach, it can still contain regulated and unregulated contaminants present in trace amounts that could potentially cause health issues over the long-run. These trace contaminants may also impact immunocompromised and vulnerable individuals.

The EPA is reviewing if it’s current regulations around pollutant levels in tap water are strict enough, and the health dangers posed by unregulated pollutants, like PFAS.

Carlisle Tap Water Safe Drinking Water Act Violation History - Prior 10 Years

Below is a ten year history of violations for the water system named Carlisle Water Trmt Plt for Carlisle in Pennsylvania. For more details please see the "What do these Violations Mean?" section below.

From Nov. 1, 2021 to Nov. 30, 2021, Carlisle had 1 non-health based Safe Drinking Water Act violation with the violation category being Monitoring Violation, more specifically, the violation code was Monitoring, Routine (RTCR) which falls into the Microbials rule code group, and the Total Coliform Rules rule code family for the following contaminant code: Revised Total Coliform Rule.

From Nov. 1, 2021 to Nov. 30, 2021, Carlisle had 1 non-health based Safe Drinking Water Act violation with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring of Treatment (SWTR-Filter) which falls into the Microbials rule code group, and the Surface Water Treatment Rules rule code family for the following contaminant code: Surface Water Treatment Rule.

From Oct. 1, 2021 to Dec. 31, 2021, Carlisle had 1 non-health based Safe Drinking Water Act violation with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring and Reporting (DBP) which falls into the Disinfectants and Disinfection Byproducts Rule rule code group, and the Stage 1 Disinfectants and Disinfection Byproducts Rule rule code family for the following contaminant code: Chlorine.

From Oct. 1, 2019 to Dec. 31, 2019, Carlisle had 1 non-health based Safe Drinking Water Act violation with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring, Regular which falls into the Chemicals rule code group, and the Synthetic Organic Chemicals rule code family for the following contaminant code: Atrazine.

From Oct. 1, 2018 to Dec. 31, 2018, Carlisle had 1 non-health based Safe Drinking Water Act violation with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring and Reporting (DBP) which falls into the Disinfectants and Disinfection Byproducts Rule rule code group, and the Stage 1 Disinfectants and Disinfection Byproducts Rule rule code family for the following contaminant code: CARBON, TOTAL.

From Oct. 1, 2017 to Dec. 31, 2017, Carlisle had 2 non-health based Safe Drinking Water Act violations with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring, Regular which falls into the Chemicals rule code group, and the Inorganic Chemicals rule code family for the following contaminant codes: Nitrite, Nitrate.

From Oct. 1, 2016 to Oct. 31, 2016, Carlisle had 1 non-health based Safe Drinking Water Act violation with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring of Treatment (SWTR-Filter) which falls into the Microbials rule code group, and the Surface Water Treatment Rules rule code family for the following contaminant code: Surface Water Treatment Rule.

From April 1, 2016 to June 30, 2016, Carlisle had 1 non-health based Safe Drinking Water Act violation with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring and Reporting (DBP) which falls into the Disinfectants and Disinfection Byproducts Rule rule code group, and the Stage 1 Disinfectants and Disinfection Byproducts Rule rule code family for the following contaminant code: CARBON, TOTAL.

From April 1, 2016 to June 30, 2016, Carlisle had 2 non-health based Safe Drinking Water Act violations with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring and Reporting (DBP) which falls into the Disinfectants and Disinfection Byproducts Rule rule code group, and the Stage 2 Disinfectants and Disinfection Byproducts Rule rule code family for the following contaminant codes: TTHM, Total Haloacetic Acids (HAA5).

From July 1, 2015 to Sept. 30, 2015, Carlisle had 2 non-health based Safe Drinking Water Act violations with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring, Regular which falls into the Chemicals rule code group, and the Inorganic Chemicals rule code family for the following contaminant codes: Nitrate, Nitrite.

From Oct. 1, 2011 to Dec. 31, 2011, Carlisle had 1 non-health based Safe Drinking Water Act violation with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring, Regular which falls into the Chemicals rule code group, and the Radionuclides rule code family for the following contaminant code: Gross Alpha, Excl. Radon and U.

From Sept. 1, 2011 to Sept. 30, 2011, Carlisle had 1 non-health based Safe Drinking Water Act violation with the violation category being Monitoring and Reporting, more specifically, the violation code was Monitoring, Turbidity (Enhanced SWTR) which falls into the Microbials rule code group, and the Surface Water Treatment Rules rule code family for the following contaminant code: Interim Enhanced Surface Water Treatment Rule.

Is there Lead in Carlisle Water?

Based on the EPA’s ECHO Database, 90% of the samples taken from the Carlisle water system, Carlisle Water Trmt Plt, between sample start date and sample end date, were at or below, 0.0 mg/L of lead in Carlisle water. This is 0% of the 0.015 mg/L action level. This means 10% of the samples taken from Carlisle contained more lead.

While Carlisle water testing may have found 0.0 mg/L of lead in its water, that does not mean your water source has the same amount. The amount of lead in water in a city can vary greatly from neighborhood to neighborhood, or even building to building. Many buildings, particularly older ones, have lead pipes or service lines which can be a source of contamination. To find out if your home has lead, we recommend getting you water tested.

No amount of lead in water is healthy, only less dangerous. As lead accumulates in our bodies over time, even exposure to relatively small amounts can have negative health effects. For more information, please check out our Lead FAQ page.

Are there PFAS in Carlisle Tap Water?

Currently, testing tap water for PFAS isn’t mandated on a national level. We do have a list of military bases where there have been suspected or confirmed leaks. There appears to be at least one military base - Carlisle Barracks - near Carlisle with suspected leaks.

With many potential sources of PFAS in tap water across the US, the best information we currently have about which cities have PFAS in their water is this ewg map, which you can check to see if Carlisle has been evaluated for yet.

Our stance is better safe than sorry, and that it makes sense to try to purify the tap water just in case.

Carlisle SDWA Violation History Table - Prior 10 Years

Compliance Period Status Health-Based? Category Code Code Rule Code Contaminant Code Rule Group Code Rule Family Code
11/01/2021 - 11/30/2021 Resolved No Monitoring Violation (MON) Monitoring, Routine (RTCR) (3A) Revised Total Coliform Rule (111) Revised Total Coliform Rule (8000) Microbials (100) Total Coliform Rules (110)
11/01/2021 - 11/30/2021 Resolved No Monitoring and Reporting (MR) Monitoring of Treatment (SWTR-Filter) (36) Surface Water Treatment Rule (121) Surface Water Treatment Rule (0200) Microbials (100) Surface Water Treatment Rules (120)
10/01/2021 - 12/31/2021 Resolved No Monitoring and Reporting (MR) Monitoring and Reporting (DBP) (27) Stage 1 Disinfectants and Disinfection Byproducts Rule (210) Chlorine (0999) Disinfectants and Disinfection Byproducts Rule (200) Stage 1 Disinfectants and Disinfection Byproducts Rule (210)
10/01/2019 - 12/31/2019 Resolved No Monitoring and Reporting (MR) Monitoring, Regular (03) Synthetic Organic Chemicals (320) Atrazine (2050) Chemicals (300) Synthetic Organic Chemicals (320)
10/01/2018 - 12/31/2018 Resolved No Monitoring and Reporting (MR) Monitoring and Reporting (DBP) (27) Stage 1 Disinfectants and Disinfection Byproducts Rule (210) CARBON, TOTAL (2920) Disinfectants and Disinfection Byproducts Rule (200) Stage 1 Disinfectants and Disinfection Byproducts Rule (210)
10/01/2017 - 12/31/2017 Resolved No Monitoring and Reporting (MR) Monitoring, Regular (03) Nitrates (331) Nitrite (1041) Chemicals (300) Inorganic Chemicals (330)
10/01/2017 - 12/31/2017 Resolved No Monitoring and Reporting (MR) Monitoring, Regular (03) Nitrates (331) Nitrate (1040) Chemicals (300) Inorganic Chemicals (330)
10/01/2016 - 10/31/2016 Resolved No Monitoring and Reporting (MR) Monitoring of Treatment (SWTR-Filter) (36) Surface Water Treatment Rule (121) Surface Water Treatment Rule (0200) Microbials (100) Surface Water Treatment Rules (120)
04/01/2016 - 06/30/2016 Resolved No Monitoring and Reporting (MR) Monitoring and Reporting (DBP) (27) Stage 1 Disinfectants and Disinfection Byproducts Rule (210) CARBON, TOTAL (2920) Disinfectants and Disinfection Byproducts Rule (200) Stage 1 Disinfectants and Disinfection Byproducts Rule (210)
04/01/2016 - 06/30/2016 Resolved No Monitoring and Reporting (MR) Monitoring and Reporting (DBP) (27) Stage 2 Disinfectants and Disinfection Byproducts Rule (220) TTHM (2950) Disinfectants and Disinfection Byproducts Rule (200) Stage 2 Disinfectants and Disinfection Byproducts Rule (220)
04/01/2016 - 06/30/2016 Resolved No Monitoring and Reporting (MR) Monitoring and Reporting (DBP) (27) Stage 2 Disinfectants and Disinfection Byproducts Rule (220) Total Haloacetic Acids (HAA5) (2456) Disinfectants and Disinfection Byproducts Rule (200) Stage 2 Disinfectants and Disinfection Byproducts Rule (220)
07/01/2015 - 09/30/2015 Resolved No Monitoring and Reporting (MR) Monitoring, Regular (03) Nitrates (331) Nitrate (1040) Chemicals (300) Inorganic Chemicals (330)
07/01/2015 - 09/30/2015 Resolved No Monitoring and Reporting (MR) Monitoring, Regular (03) Nitrates (331) Nitrite (1041) Chemicals (300) Inorganic Chemicals (330)
10/01/2011 - 12/31/2011 Resolved No Monitoring and Reporting (MR) Monitoring, Regular (03) Radionuclides (340) Gross Alpha, Excl. Radon and U (4000) Chemicals (300) Radionuclides (340)
09/01/2011 - 09/30/2011 Resolved No Monitoring and Reporting (MR) Monitoring, Turbidity (Enhanced SWTR) (38) Long Term 1 Enhanced Surface Water Treatment Rule (122) Interim Enhanced Surface Water Treatment Rule (0300) Microbials (100) Surface Water Treatment Rules (120)

What do these Violations Mean?

Safe Drinking Water Act Violations categories split into two groups, health based, and non-health based. Generally, health based violations are more serious, though non-health based violations can also be cause for concern.

Health Based Violations

  1. Maximum contaminant levels (MCLs) - maximum allowed contaminant level was exceeded.
  2. Maximum residual disinfectant levels (MRDLs) - maximum allowed disinfectant level was exceeded.
  3. Other violations (Other) - the exact required process to reduce the amounts of contaminants in drinking water was not followed.

Non-Health Based Violations

  1. Monitoring and reporting violations (MR, MON) - failure to conduct the required regular monitoring of drinking water quality, and/or to submit monitoring results on time.
  2. Public notice violations (Other) - failure to immediately alert consumers if there is a serious problem with their drinking water that may pose a risk to public health.
  3. Other violations (Other) - miscellaneous violations, such as failure to issue annual consumer confidence reports or maintain required records.

SDWA Table Key

Field Description
Compliance Period Dates of the compliance period.
Status Current status of the violation.
  • Resolved - The violation has at least one resolving enforcement action. In SDWIS, this indicates that either the system has returned to compliance from the violation, the rule that was violated was no longer applicable, or no further action was needed.
  • Archived - The violation is not Resolved, but is more than five years past its compliance period end date. In keeping with the Enforcement Response Policy, the violation no longer contributes to the public water system's overall compliance status. Unresolved violations are also marked as Archived when a system ceases operations (becomes inactive).
  • Addressed - The violation is not Resolved or Archived, and is addressed by one or more formal enforcement actions.
  • Unaddressed - The violation is not Resolved or Archived, and has not been addressed by formal enforcement.
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Health-Based? Whether the violation is health based.
Category Code
The category of violation that is reported.
  • TT - Treatment Technique Violation
  • MRDL - Maximum Residual Disinfectant Level
  • Other - Other Violation
  • MCL - Maximum Contaminant Level Violation
  • MR - Monitoring and Reporting
  • MON - Monitoring Violation
  • RPT - Reporting Violation
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Code A full description of violation codes can be accessed in the SDWA_REF_CODE_VALUES (CSV) table.
Contaminant Code A code value that represents a contaminant for which a public water system has incurred a violation of a primary drinking water regulation.
Rule Code Code for a National Drinking Water rule.
  • 110 - Total Coliform Rule
  • 121 - Surface Water Treatment Rule
  • 122 - Long Term 1 Enhanced Surface Water Treatment Rule
  • 123 - Long Term 2 Enhanced Surface Water Treatment Rule
  • 130 - Filter Backwash Rule
  • 140 - Ground Water Rule
  • 210 - Stage 1 Disinfectants and Disinfection Byproducts Rule
  • 220 - Stage 2 Disinfectants and Disinfection Byproducts Rule
  • 230 - Total Trihalomethanes
  • 310 - Volatile Organic Chemicals
  • 331 - Nitrates
  • 332 - Arsenic
  • 333 - Inorganic Chemicals
  • 320 - Synthetic Organic Chemicals
  • 340 - Radionuclides
  • 350 - Lead and Copper Rule
  • 410 - Public Notice Rule
  • 420 - Consumer Confidence Rule
  • 430 - Miscellaneous
  • 500 - Not Regulated
  • 111 - Revised Total Coliform Rule
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Rule Group Code Code that uniquely identifies a rule group.
  • 120 - Surface Water Treatment Rules
  • 130 - Filter Backwash Rule
  • 140 - Groundwater Rule
  • 210 - Stage 1 Disinfectants and Disinfection Byproducts Rule
  • 220 - Stage 2 Disinfectants and Disinfection Byproducts Rule
  • 230 - Total Trihalomethanes
  • 310 - Volatile Organic Chemicals
  • 320 - Synthetic Organic Chemicals
  • 330 - Inorganic Chemicals
  • 340 - Radionuclides
  • 350 - Lead and Copper Rule
  • 400 - Other
  • 500 - Not Regulated
  • 110 - Total Coliform Rules
  • 410 - Public Notice Rule
  • 420 - Consumer Confidence Rule
  • 430 - Miscellaneous
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Rule Family Code Code for rule family.
  • 100 - Microbials
  • 200 - Disinfectants and Disinfection Byproducts Rule
  • 300 - Chemicals
  • 400 - Other
  • 500 - Not Regulated
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For more clarification please visit the EPA's data dictionary.

Carlisle Water - Frequently Asked Questions

HOW DO I CONTACT CARLISLE CUSTOMER SERVICE?
To contact customer service for the Carlisle water provider, Carlisle Water Trmt Plt, please use the information below.
By Mail: 53 W SOUTH ST
CARLISLE, PA, 17013
HOW TO PAY BILL FOR CARLISLE WATER TRMT PLT
Already have an account?

Existing customers can login to their Carlisle Water Trmt Plt account to pay their Carlisle water bill by clicking here.

Want to create a new account?

If you want to pay your Carlisle Water Trmt Plt bill online and haven't made an account yet, you can create an account online. Please click here to create your account to pay your Carlisle water bill.

Want to pay without an account?

If you don't want to make an account, or can't remember your account, you can make a one-time payment towards your Carlisle water bill without creating an account using a one time payment portal with your account number and credit or debit card. Click here to make a one time payment.

HOW TO START & STOP CARLISLE WATER SERVICE
Starting Your Service

Moving to a new house or apartment in Carlisle means you will often need to put the water in your name with Carlisle Water Trmt Plt. In order to put the water in your name, please click the link to the start service form below. Start service requests for water bills typically take two business days.

Start Service Form

Want to create a new account?

Leaving your house or apartment in Carlisle means you will likely need to take your name off of the water bill with Carlisle Water Trmt Plt. In order to take your name off the water bill, please click the link to the stop service form below. Stop service for water bills requests typically take two business days.

Stop Service Form

USER SUBMITTED RATINGS

Carlisle tap water
  • Drinking Water Pollution and Inaccessibility 36% Low
  • Water Pollution 48% Moderate
  • Drinking Water Quality and Accessibility 64% High
  • Water Quality 52% Moderate

The above data is comprised of subjective, user submitted opinions about the water quality and pollution in Carlisle, measured on a scale from 0% (lowest) to 100% (highest).

Related FAQS

Contaminants


Carlisle Water Trmt Plt

EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the Pennsylvania Department of Environmental Protection, as well as information from the U.S. EPA Enforcement and Compliance History database (ECHO). For the latest quarter assessed by the U.S. EPA (January 2019 - March 2019), tap water provided by this water utility was in compliance with federal health-based drinking water standards.

Utility details

  • Serves: 19829
  • Data available: 2012-2017
  • Data Source: Surface water
  • Total: 13

Contaminants That Exceed Guidelines

  • Bromodichloromethane
  • Chloroform
  • Chromium (hexavalent)
  • Dibromochloromethane
  • Nitrate
  • Total trihalomethanes (TTHMs)

Other Detected Contaminants

  • 1%2C4-Dioxane
  • Barium
  • Chromium (total)
  • Fluoride
  • Haloacetic acids (HAA5)
  • Strontium
  • Vanadium

Reminder

Always take extra precautions, the water may be safe to drink when it leaves the sewage treatment plant but it may pick up pollutants during its way to your tap. We advise that you ask locals or hotel staff about the water quality. Also, note that different cities have different water mineral contents.

Sources and Resources

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Tap Water Carlisle United States is one of the world''s worst culprits when it comes to the quality of their drinking liquid. They are ranked in the top 10 for the worst contaminants found in drinking water. This place is so bad that people actually get warning labels on their bottled water. Some warn that you should never drink tap water. One warning label states that Tap Water Carlisle is "contaminant free". Well, they are certainly wrong, because this is absolutely not the case.

If you turn on your tap and start to drink it, within about twenty-four hours you will be experiencing at least one of the pollutants mentioned. These are Chlorine and Fluoride. When these two chemicals interact with other naturally occurring elements, they produce a compound called trihalomethanes or THMs. These chemicals can cause a wide array of health problems, such as cancer, asthma, and chronic irritation of the bladder and intestines. Drinking tap water in any quantity on a dail

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