Is Vacaville Tap Water Safe to Drink?

Can You Drink Tap Water in Vacaville?

Yes, Vacaville's tap water is generally considered safe to drink as Vacaville 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, Vacaville's water utility, City of Vacaville, had 0 violations of the Safe Drinking Water Act. For more details on the violations, please see our violation history section below. This assessment is based on the City of Vacaville 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.

Water Quality Report for Vacaville Tap Water

The most recent publicly available numbers for measured contaminant levels in Vacaville tap water are in its 2020 Water Quality Report. As you can see, there are levels which the EPA considers to be acceptable, but being below the maximum allowable level doesn’t necessarily mean the water is healthy.

Lead in tap water, for example, is currently allowed at up to 15ppb by the EPA, but it has set the ideal goal for lead at zero. This highlights how meeting EPA standards doesn’t necessarily mean local tap water is healthy.

EPA regulations continue to change as it evaluates the long term impacts of chemicals and updates drinking water acceptable levels. The rules around arsenic, as well as, lead and copper are currently being re-evaluated.

There are also a number of "emerging" contaminants that are not currently. For example, PFAS (Per- and polyfluoroalkyl substances), for which the EPA has issued a health advisory. PFAS are called "forever chemicals" since they tend not to break down in the environment or the human body and can accumulate over time.

We recommend looking at the contaminants present in Vacaville's water quality reports, or getting your home's tap water tested to see if you should be filtering your water.

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

Below is a ten year history of violations for the water system named City of Vacaville for Vacaville in California. For more details please see the "What do these Violations Mean?" section below.

Is there Lead in Vacaville Water?

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

While Vacaville 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 Vacaville 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 - Travis Air Force Base - near Vacaville 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 Vacaville 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.

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

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

Non-Health Based Violations

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.
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.
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. show details
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 show details
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 show details
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 show details
Rule Family Code	Code for rule family. 100 - Microbials 200 - Disinfectants and Disinfection Byproducts Rule 300 - Chemicals 400 - Other 500 - Not Regulated show details

For more clarification please visit the EPA's data dictionary.

Vacaville Water - Frequently Asked Questions

HOW DO I CONTACT VACAVILLE CUSTOMER SERVICE?

To contact customer service for the Vacaville water provider, City of Vacaville, please use the information below.

By Phone:	707-469-6412
By Email:	curtis.paxton@cityofvacaville.com
By Mail:	PO BOX 220 ELMIRA, CA, 95625-0220

HOW TO PAY BILL FOR CITY OF VACAVILLE

Already have an account?

Existing customers can login to their City of Vacaville account to pay their Vacaville water bill by clicking here.

Want to create a new account?

If you want to pay your City of Vacaville 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 Vacaville 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 Vacaville 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 VACAVILLE WATER SERVICE

Starting Your Service

Moving to a new house or apartment in Vacaville means you will often need to put the water in your name with City of Vacaville. 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 Vacaville means you will likely need to take your name off of the water bill with City of Vacaville. 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

$2 in USD (1.5-liter)

Vacaville tap water

Drinking Water Pollution and Inaccessibility 30% Low
Water Pollution 40% Moderate
Drinking Water Quality and Accessibility 70% High
Water Quality 60% High

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

Vacaville Water Quality Report (Consumer Confidence Report)

The EPA mandates that towns and cities consistently monitor and test their tap water. They must report their findings in an annual Consumer Confidence Report. Below is the most recent water quality report from Vacaville's Water. If you would like to see the original version of the report, please click here.

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HEALTH RELATED INFORMATION

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tŚŝůĞǇŽƵƌĚƌŝŶŬŝŶŐǁĂƚĞƌŵĞĞƚƐƚŚĞ ĨĞĚĞƌĂůĂŶĚƐƚĂƚĞƐƚĂŶĚĂƌĚĨŽƌĂƌƐĞŶŝĐ͕ŝƚ ĚŽĞƐĐŽŶƚĂŝŶůŽǁůĞǀĞůƐŽĨĂƌƐĞŶŝĐ͘dŚĞ ĂƌƐĞŶŝĐƐƚĂŶĚĂƌĚďĂůĂŶĐĞƐƚŚĞĐƵƌƌĞŶƚ ƵŶĚĞƌƐƚĂŶĚŝŶŐŽĨĂƌƐĞŶŝĐ͛ƐƉŽƐƐŝďůĞ ŚĞĂůƚŚĞīĞĐƚƐĂŐĂŝŶƐƚƚŚĞĐŽƐƚƐŽĨ ƌĞŵŽǀŝŶŐĂƌƐĞŶŝĐĨƌŽŵĚƌŝŶŬŝŶŐǁĂƚĞƌ͘ dŚĞh͘^͘ŶǀŝƌŽŶŵĞŶƚĂůWƌŽƚĞĐƟŽŶ ŐĞŶĐǇĐŽŶƟŶƵĞƐƚŽƌĞƐĞĂƌĐŚƚŚĞŚĞĂůƚŚ ĞīĞĐƚƐŽĨůŽǁůĞǀĞůƐŽĨĂƌƐĞŶŝĐ͕ǁŚŝĐŚŝƐĂ ŵŝŶĞƌĂůŬŶŽǁŶƚŽĐĂƵƐĞĐĂŶĐĞƌŝŶ ŚƵŵĂŶƐĂƚŚŝŐŚĐŽŶĐĞŶƚƌĂƟŽŶƐĂŶĚŝƐ ůŝŶŬĞĚƚŽŽƚŚĞƌŚĞĂůƚŚĞīĞĐƚƐƐƵĐŚĂƐ ƐŬŝŶĚĂŵĂŐĞĂŶĚĐŝƌĐƵůĂƚŽƌǇƉƌŽďůĞŵƐ͘

^KhZ^K&tdZEKEdD/EEd^͗

sĂĐĂǀŝůůĞ͛ƐǁĂƚĞƌƐƵƉƉůǇĐŽŶƐŝƐƚƐŽĨƚǁŽƐƵƌĨĂĐĞǁĂƚĞƌƐŽƵƌĐĞƐĂŶĚϭϭĚĞĞƉŐƌŽƵŶĚǁĂƚĞƌǁĞůůƐ͘>ĂŬĞ ĞƌƌǇĞƐƐĂƐƵƌĨĂĐĞǁĂƚĞƌ͕ĐŽŶǀĞǇĞĚƚŚƌŽƵŐŚWƵƚĂŚ^ŽƵƚŚĂŶĂů;W^Ϳ͕ƉƌŽǀŝĚĞĚϱϬйŽĨƚŚĞŝƚǇ͛ƐƚŽƚĂů ĐŽŶƐƵŵƉƟŽŶŽĨǁĂƚĞƌŝŶϮϬϮϬ͕ĂŶĚ^ĂĐƌĂŵĞŶƚŽĞůƚĂƐƵƌĨĂĐĞǁĂƚĞƌ͕ĨƌŽŵƚŚĞEŽƌƚŚĂǇƋƵĞĚƵĐƚ;EͿ͕ ƉƌŽǀŝĚĞĚĂŶĂĚĚŝƟŽŶĂůϮϯй͘'ƌŽƵŶĚǁĂƚĞƌĨƌŽŵƚŚĞϴĚĞĞƉǁĞůůƐĐƵƌƌĞŶƚůǇŝŶŽƉĞƌĂƟŽŶŵĂĚĞƵƉƚŚĞ ďĂůĂŶĐĞ;ϮϳйͿŽĨŽƵƌǁĂƚĞƌŶĞĞĚƐ͘dƌĞĂƚŵĞŶƚŽĨƚŚĞƐƵƌĨĂĐĞǁĂƚĞƌŝƐĚŝǀŝĚĞĚďĞƚǁĞĞŶƚŚĞsĂĐĂǀŝůůĞtĂƚĞƌ dƌĞĂƚŵĞŶƚWůĂŶƚ;stdWͿĂŶĚƚŚĞEŽƌƚŚĂǇZĞŐŝŽŶĂůtĂƚĞƌdƌĞĂƚŵĞŶƚWůĂŶƚ;EZͿ͘dŚĞstdWƚƌĞĂƚƐW^ ƐŽƵƌĐĞǁĂƚĞƌŽŶůǇ͕ǁŚŝůĞƚŚĞEZƉůĂŶƚ͕ǁŚŝĐŚŝƐũŽŝŶƚůǇŽǁŶĞĚďǇƚŚĞĐŝƟĞƐŽĨsĂĐĂǀŝůůĞĂŶĚ&ĂŝƌĮĞůĚ͕ƚƌĞĂƚƐ ďŽƚŚW^ĂŶĚEƐŽƵƌĐĞǁĂƚĞƌ͘

dŚĞƐŽƵƌĐĞƐŽĨĚƌŝŶŬŝŶŐǁĂƚĞƌ;ďŽƚŚƚĂƉĂŶĚďŽƩůĞĚǁĂƚĞƌͿŝŶĐůƵĚĞƐƌŝǀĞƌƐ͕ůĂŬĞƐ͕ƐƚƌĞĂŵƐ͕ƉŽŶĚƐ͕ ƌĞƐĞƌǀŽŝƌƐ͕ƐƉƌŝŶŐƐ͕ĂŶĚǁĞůůƐ͘ƐǁĂƚĞƌƚƌĂǀĞůƐŽǀĞƌƚŚĞƐƵƌĨĂĐĞŽĨƚŚĞůĂŶĚŽƌƚŚƌŽƵŐŚƚŚĞŐƌŽƵŶĚ͕ŝƚ ĚŝƐƐŽůǀĞƐŶĂƚƵƌĂůůǇŽĐĐƵƌƌŝŶŐŵŝŶĞƌĂůƐĂŶĚŝŶƐŽŵĞĐĂƐĞƐ͕ƌĂĚŝŽĂĐƟǀĞŵĂƚĞƌŝĂů͕ĂŶĚĐĂŶƉŝĐŬƵƉƐƵďƐƚĂŶĐĞƐ ƌĞƐƵůƟŶŐĨƌŽŵƚŚĞƉƌĞƐĞŶĐĞŽĨĂŶŝŵĂůƐŽƌĨƌŽŵŚƵŵĂŶĂĐƟǀŝƚǇ͘

KEdD/EEd^d,dDzWZ^Ed/E^KhZtdZ/E>h͗

DŝĐƌŽďŝĂůĐŽŶƚĂŵŝŶĂŶƚƐ͕ƐƵĐŚĂƐǀŝƌƵƐĞƐĂŶĚďĂĐƚĞƌŝĂ͕ƚŚĂƚŵĂǇĐŽŵĞĨƌŽŵƐĞǁĂŐĞƚƌĞĂƚŵĞŶƚ ƉůĂŶƚƐ͕ƐĞƉƟĐƐǇƐƚĞŵƐ͕ĂŐƌŝĐƵůƚƵƌĂůůŝǀĞƐƚŽĐŬŽƉĞƌĂƟŽŶƐ͕ĂŶĚǁŝůĚůŝĨĞ͘
/ŶŽƌŐĂŶŝĐĐŽŶƚĂŵŝŶĂŶƚƐ͕ƐƵĐŚĂƐƐĂůƚƐĂŶĚŵĞƚĂůƐ͕ƚŚĂƚĐĂŶďĞŶĂƚƵƌĂůůǇŽĐĐƵƌƌŝŶŐŽƌƌĞƐƵůƚĨƌŽŵ ƵƌďĂŶƐƚŽƌŵǁĂƚĞƌƌƵŶŽī͕ŝŶĚƵƐƚƌŝĂůŽƌĚŽŵĞƐƟĐǁĂƐƚĞǁĂƚĞƌĚŝƐĐŚĂƌŐĞƐ͕ŽŝůĂŶĚŐĂƐƉƌŽĚƵĐƟŽŶ͕ ŵŝŶŝŶŐ͕ŽƌĨĂƌŵŝŶŐ͘
WĞƐƟĐŝĚĞƐĂŶĚŚĞƌďŝĐŝĚĞƐƚŚĂƚŵĂǇĐŽŵĞĨƌŽŵĂǀĂƌŝĞƚǇŽĨƐŽƵƌĐĞƐƐƵĐŚĂƐĂŐƌŝĐƵůƚƵƌĞ͕ƵƌďĂŶ ƐƚŽƌŵǁĂƚĞƌƌƵŶŽī͕ĂŶĚƌĞƐŝĚĞŶƟĂůƵƐĞƐ͘
KƌŐĂŶŝĐĐŚĞŵŝĐĂůĐŽŶƚĂŵŝŶĂŶƚƐ͕ŝŶĐůƵĚŝŶŐƐǇŶƚŚĞƟĐĂŶĚǀŽůĂƟůĞŽƌŐĂŶŝĐĐŚĞŵŝĐĂůƐ͕ƚŚĂƚĂƌĞ
ďǇ-ƉƌŽĚƵĐƚƐŽĨŝŶĚƵƐƚƌŝĂůƉƌŽĐĞƐƐĞƐĂŶĚƉĞƚƌŽůĞƵŵƉƌŽĚƵĐƟŽŶĂŶĚĐĂŶĂůƐŽĐŽŵĞĨƌŽŵŐĂƐ ƐƚĂƟŽŶƐ͕ƵƌďĂŶƐƚŽƌŵǁĂƚĞƌƌƵŶŽī͕ĂŐƌŝĐƵůƚƵƌĂůĂƉƉůŝĐĂƟŽŶ͕ĂŶĚƐĞƉƟĐƐǇƐƚĞŵƐ͘
ZĂĚŝŽĂĐƟǀĞĐŽŶƚĂŵŝŶĂŶƚƐƚŚĂƚĐĂŶďĞŶĂƚƵƌĂůůǇŽĐĐƵƌƌŝŶŐŽƌďĞƚŚĞƌĞƐƵůƚŽĨŽŝůĂŶĚŐĂƐ ƉƌŽĚƵĐƟŽŶĂŶĚŵŝŶŝŶŐĂĐƟǀŝƟĞƐ͘

/ŶŽƌĚĞƌƚŽĞŶƐƵƌĞƚŚĂƚƚĂƉǁĂƚĞƌŝƐƐĂĨĞƚŽĚƌŝŶŬ͕ƚŚĞh^WĂŶĚƚŚĞ^tZƉƌĞƐĐƌŝďĞƌĞŐƵůĂƟŽŶƐ ƚŚĂƚůŝŵŝƚƚŚĞĂŵŽƵŶƚŽĨĐĞƌƚĂŝŶĐŽŶƚĂŵŝŶĂŶƚƐŝŶǁĂƚĞƌƉƌŽǀŝĚĞĚďǇƉƵďůŝĐǁĂƚĞƌƐǇƐƚĞŵƐ͘^tZ ƌĞŐƵůĂƟŽŶƐĂůƐŽĞƐƚĂďůŝƐŚůŝŵŝƚƐĨŽƌĐŽŶƚĂŵŝŶĂŶƚƐŝŶďŽƩůĞĚǁĂƚĞƌƚŚĂƚƉƌŽǀŝĚĞƚŚĞƐĂŵĞƉƌŽƚĞĐƟŽŶ ĨŽƌƉƵďůŝĐŚĞĂůƚŚ͘

dŚĞĨŽůůŽǁŝŶŐƚĂďůĞƐůŝƐƚĂůůŽĨƚŚĞĚƌŝŶŬŝŶŐǁĂƚĞƌĐŽŶƚĂŵŝŶĂŶƚƐƚŚĂƚǁĞƌĞĚĞƚĞĐƚĞĚĚƵƌŝŶŐƚŚĞŵŽƐƚƌĞĐĞŶƚƐĂŵƉůŝŶŐĨŽƌĐŽŶƐƟƚƵĞŶƚƐ͘dŽƌĞĂĚƚŚĞƚĂďůĞƐ͕ƐƚĂƌƚǁŝƚŚƚŚĞ ĨĂƌůĞŌĐŽůƵŵŶƟƚůĞĚŽŶƐƟƚƵĞŶƚŽƌŽŶƚĂŵŝŶĂŶƚĂŶĚƌĞĂĚĂĐƌŽƐƐƚŚĞƌŽǁ͘hŶŝƚƐĞǆƉƌĞƐƐƚŚĞĂŵŽƵŶƚŵĞĂƐƵƌĞĚ͘D>ƐŚŽǁƐƚŚĞŚŝŐŚĞƐƚĂŵŽƵŶƚŽĨƚŚĞƐƵďƐƚĂŶĐĞ ĂůůŽǁĞĚ͘W,';D>'ͿŝƐƚŚĞŐŽĂůĂŵŽƵŶƚĨŽƌƚŚĂƚƐƵďƐƚĂŶĐĞ͕ǁŚŝĐŚŵĂǇďĞĂůŽǁĞƌĂŵŽƵŶƚƚŚĂŶƚŚĞĂŵŽƵŶƚĂůůŽǁĞĚ͘dŚĞZĂŶŐĞƌĞƉŽƌƚƐƚŚĞůŽǁĞƐƚĂŶĚŚŝŐŚĞƐƚ ĂŵŽƵŶƚƐĚĞƚĞĐƚĞĚĂŶĚƚŚĞǀĞƌĂŐĞŝƐƚŚĞĂŶŶƵĂůĂǀĞƌĂŐĞ͘ŽŶƚĂŵŝŶĂŶƚ^ŽƵƌĐĞƐĚĞƐĐƌŝďĞǁŚĞƌĞƚŚĞƐƵďƐƚĂŶĐĞƵƐƵĂůůǇŽƌŝŐŝŶĂƚĞƐ͘dŽďĞƩĞƌƵŶĚĞƌƐƚĂŶĚƚŚĞƌĞƉŽƌƚ͕ƵƐĞ ƚŚĞ>ĞŐĞŶĚƚŚĂƚĚĞĮŶĞƐƚŚĞƚĞƌŵƐƵƐĞĚ͘

	>'E	&KKdEKd^
	M>;DĂǆŝŵƵŵŽŶƚĂŵŝŶĂŶƚ>ĞǀĞů͗dŚĞŚŝŐŚĞƐƚůĞǀĞůŽĨĂĐŽŶƚĂŵŝŶĂŶƚƚŚĂƚŝƐĂůůŽǁĞĚŝŶĚƌŝŶŬŝŶŐ
	ǁĂƚĞƌ͘WƌŝŵĂƌǇD>ƐĂƌĞƐĞƚĂƐĐůŽƐĞƚŽƚŚĞW,'Ɛ;ŽƌD>'ƐͿĂƐŝƐĞĐŽŶŽŵŝĐĂůůǇĂŶĚƚĞĐŚŶŽůŽŐŝĐĂůůǇ	;ĂͿdŚŝƐŝƐƚŚĞƐƚĂƚĞĂĐƟŽŶůĞǀĞůĨŽƌƐĂŵƉůĞƐĐŽůůĞĐƚĞĚŝŶƐŝĚĞƐĐŚŽŽůƐĂŶĚŚŽŵĞƐ͘dŚĞϵϬƚŚ
	ĨĞĂƐŝďůĞ͘
	ĨĞĂƐŝďůĞ͘	ƉĞƌĐĞŶƟůĞƌĞŇĞĐƚƐƚŚĞĐŽŶĐĞŶƚƌĂƟŽŶŽĨůĞĂĚŽƌĐŽƉƉĞƌĂƚǁŚŝĐŚϵϬйŽĨƚŚĞƐĂŵƉůĞƐƚĞƐƚĞĚ
	^ĞĐŽŶĚĂƌǇD>͗^ĞĐŽŶĚĂƌǇD>ƐĂƌĞƐĞƚƚŽƉƌŽƚĞĐƚƚŚĞŽĚŽƌ͕ƚĂƐƚĞ͕ĂŶĚĂƉƉĞĂƌĂŶĐĞŽĨĚƌŝŶŬŝŶŐ
		ǁĞƌĞĨŽƵŶĚƚŽŚĂǀĞŶŽƚĞǆĐĞĞĚĞĚ͘,ŽƵƐĞŚŽůĚůĞĂĚĂŶĚĐŽƉƉĞƌƌĞƐƵůƚƐĂƌĞĨƌŽŵƵŐƵƐƚ-
	ǁĂƚĞƌ͘
	ǁĂƚĞƌ͘	^ĞƉƚĞŵďĞƌϮϬϮϬ͘
	D>';DĂǆŝŵƵŵŽŶƚĂŵŝŶĂŶƚ>ĞǀĞů'ŽĂůͿ͗dŚĞůĞǀĞůŽĨĂĐŽŶƚĂŵŝŶĂŶƚŝŶĚƌŝŶŬŝŶŐǁĂƚĞƌďĞůŽǁ	^ĞƉƚĞŵďĞƌϮϬϮϬ͘

	ǁŚŝĐŚƚŚĞƌĞŝƐŶŽŬŶŽǁŶŽƌĞǆƉĞĐƚĞĚƌŝƐŬƚŽŚĞĂůƚŚ͘D>'ƐĂƌĞƐĞƚďǇƚŚĞh͘^͘ŶǀŝƌŽŶŵĞŶƚĂů	;ďͿdŚĞƌĞĂƌĞŶŽĚƌŝŶŬŝŶŐǁĂƚĞƌƐƚĂŶĚĂƌĚƐ;D>Ɛ͕W,'ƐŽƌD>'ƐͿĨŽƌƚŚĞƐĞĐŽŶƐƟƚƵĞŶƚƐ͕
	WƌŽƚĞĐƟŽŶŐĞŶĐǇ͘	ƚŚĞǇĂƌĞũƵƐƚƌĞƉŽƌƚĞĚĨŽƌĐƵƐƚŽŵĞƌŝŶĨŽƌŵĂƟŽŶ͘dŽĐŽŶǀĞƌƚŚĂƌĚŶĞƐƐĚĂƚĂĨƌŽŵƉƉŵƚŽ
	W,';WƵďůŝĐ,ĞĂůƚŚ'ŽĂůͿ͗dŚĞůĞǀĞůŽĨĂĐŽŶƚĂŵŝŶĂŶƚŝŶĚƌŝŶŬŝŶŐǁĂƚĞƌďĞůŽǁǁŚŝĐŚƚŚĞƌĞŝƐŶŽ	ŐƌĂŝŶƐƉĞƌŐĂůůŽŶ͕ĚŝǀŝĚĞďǇϭϳ͘ϭ͘
	ŬŶŽǁŶŽƌĞǆƉĞĐƚĞĚƌŝƐŬƚŽŚĞĂůƚŚ͘W,'ƐĂƌĞƐĞƚďǇƚŚĞĂůŝĨŽƌŶŝĂŶǀŝƌŽŶŵĞŶƚĂůWƌŽƚĞĐƟŽŶŐĞŶĐǇ͘	;ĐͿEŽƚƉŽƐƐŝďůĞƚŽĚŝīĞƌĞŶƟĂƚĞǁĂƚĞƌƐŽƵƌĐĞ͘dŚĞŝƚǇŽĨsĂĐĂǀŝůůĞƚƌĞĂƚƐƚŚĞǁĂƚĞƌďǇ
	Wt^;WƌŝŵĂƌǇƌŝŶŬŝŶŐtĂƚĞƌ^ƚĂŶĚĂƌĚͿ͗D>Ɛ͕DZ>ƐĂŶĚƚƌĞĂƚŵĞŶƚƚĞĐŚŶŝƋƵĞƐ;ddƐͿĨŽƌ
		ĂĚĚŝŶŐŇƵŽƌŝĚĞƚŽƚŚĞŶĂƚƵƌĂůůǇŽĐĐƵƌƌŝŶŐůĞǀĞůƚŽŚĞůƉƉƌĞǀĞŶƚĚĞŶƚĂůĐĂƌŝĞƐŝŶĐŽŶƐƵŵĞƌƐ͘
	ĐŽŶƚĂŵŝŶĂŶƚƐƚŚĂƚĂīĞĐƚŚĞĂůƚŚ͕ĂůŽŶŐǁŝƚŚƚŚĞŝƌŵŽŶŝƚŽƌŝŶŐĂŶĚƌĞƉŽƌƟŶŐƌĞƋƵŝƌĞŵĞŶƚƐ͘
		dŚĞŇƵŽƌŝĚĞůĞǀĞůƐŝŶƚŚĞƚƌĞĂƚĞĚǁĂƚĞƌĂƌĞŵĂŝŶƚĂŝŶĞĚǁŝƚŚŝŶƚŚĞƌĂŶŐĞŽĨϬ͘ϳ-ϭ͘ϯƉƉŵ͕ĂƐ
	DZ>;DĂǆŝŵƵŵZĞƐŝĚƵĂůŝƐŝŶĨĞĐƚĂŶƚ>ĞǀĞůͿ͗dŚĞŚŝŐŚĞƐƚůĞǀĞůŽĨĂĚŝƐŝŶĨĞĐƚĂŶƚĂůůŽǁĞĚŝŶ
		ƌĞƋƵŝƌĞĚďǇƚŚĞĂůŝĨŽƌŶŝĂĞƉĂƌƚŵĞŶƚŽĨWƵďůŝĐ,ĞĂůƚŚƌĞŐƵůĂƟŽŶƐ͘
	ĚƌŝŶŬŝŶŐǁĂƚĞƌ͘dŚĞƌĞŝƐĐŽŶǀŝŶĐŝŶŐĞǀŝĚĞŶĐĞƚŚĂƚĂĚĚŝƟŽŶŽĨĂĚŝƐŝŶĨĞĐƚĂŶƚŝƐŶĞĐĞƐƐĂƌǇĨŽƌĐŽŶƚƌŽůŽĨ	ƌĞƋƵŝƌĞĚďǇƚŚĞĂůŝĨŽƌŶŝĂĞƉĂƌƚŵĞŶƚŽĨWƵďůŝĐ,ĞĂůƚŚƌĞŐƵůĂƟŽŶƐ͘

	ŵŝĐƌŽďŝĂůĐŽŶƚĂŵŝŶĂŶƚƐ͘	;ĚͿ^ĞĐŽŶĚĂƌǇD>ƐĚŽŶŽƚŚĂǀĞW,'ƐŽƌD>'ƐďĞĐĂƵƐĞƐĞĐŽŶĚĂƌǇD>ƐĂƌĞƐĞƚƚŽƉƌŽƚĞĐƚ
	DZ>';DĂǆŝŵƵŵZĞƐŝĚƵĂůŝƐŝŶĨĞĐƚĂŶƚ>ĞǀĞů'ŽĂůͿ͗dŚĞůĞǀĞůŽĨĂĚƌŝŶŬŝŶŐǁĂƚĞƌĚŝƐŝŶĨĞĐƚĂŶƚ	ƚŚĞĂĞƐƚŚĞƟĐƐ;ŽĚŽƌ͕ƚĂƐƚĞƐ͕ĂŶĚĂƉƉĞĂƌĂŶĐĞͿŽĨĚƌŝŶŬŝŶŐǁĂƚĞƌ͕ĂŶĚW,'ƐĂŶĚD>'ƐĂƌĞ
	ďĞůŽǁǁŚŝĐŚƚŚĞƌĞŝƐŶŽŬŶŽǁŶŽƌĞǆƉĞĐƚĞĚƌŝƐŬƚŽŚĞĂůƚŚ͘DZ>'ƐĚŽŶŽƚƌĞŇĞĐƚƚŚĞďĞŶĞĮƚƐŽĨƚŚĞ	ďĂƐĞĚŽŶŚĞĂůƚŚĐŽŶĐĞƌŶƐ͘
	ƵƐĞŽĨĚŝƐŝŶĨĞĐƚĂŶƚƐƚŽĐŽŶƚƌŽůŵŝĐƌŽďŝĂůĐŽŶƚĂŵŝŶĂŶƚƐ	;ĞͿdƵƌďŝĚŝƚǇŝƐĂŵĞĂƐƵƌĞŽĨƚŚĞĐůŽƵĚŝŶĞƐƐŽĨƚŚĞǁĂƚĞƌĂŶĚŝƐĂŐŽŽĚŝŶĚŝĐĂƚŽƌŽĨǁĂƚĞƌ
	>ΘE>;ZĞŐƵůĂƚŽƌǇĐƟŽŶ>ĞǀĞůŽƌEŽƟĮĐĂƟŽŶ>ĞǀĞůͿ͗dŚĞĐŽŶĐĞŶƚƌĂƟŽŶŽĨĂĐŽŶƚĂŵŝŶĂŶƚǁŚŝĐŚ͕ŝĨ
		ƋƵĂůŝƚǇ͘,ŝŐŚƚƵƌďŝĚŝƚǇĐĂŶŚŝŶĚĞƌƚŚĞĞīĞĐƟǀĞŶĞƐƐŽĨĚŝƐŝŶĨĞĐƚĂŶƚƐ͘
	ĞǆĐĞĞĚĞĚ͕ƚƌŝŐŐĞƌƐƚƌĞĂƚŵĞŶƚŽƌŽƚŚĞƌƌĞƋƵŝƌĞŵĞŶƚƐƚŚĂƚĂǁĂƚĞƌƐǇƐƚĞŵŵƵƐƚĨŽůůŽǁ

	dd;dƌĞĂƚŵĞŶƚdĞĐŚŶŝƋƵĞͿ͗ƌĞƋƵŝƌĞĚƉƌŽĐĞƐƐŝŶƚĞŶĚĞĚƚŽƌĞĚƵĐĞƚŚĞůĞǀĞůŽĨĂĐŽŶƚĂŵŝŶĂŶƚŝŶ	;ĨͿdŚĞƌĞŝƐĐƵƌƌĞŶƚůǇŶŽD>ĨŽƌŚĞǆĂǀĂůĞŶƚĐŚƌŽŵŝƵŵ͘dŚĞƉƌĞǀŝŽƵƐD>ŽĨϬ͘ϬϭϬŵŐͬ>
	ĚƌŝŶŬŝŶŐǁĂƚĞƌ͘	ǁĂƐǁŝƚŚĚƌĂǁŶŽŶ^ĞƉƚĞŵďĞƌϭϭ͕ϮϬϭϳ͘
	ŶĂ͗EŽƚƉƉůŝĐĂďůĞŽƌEŽƚǀĂŝůĂďůĞ͘
	ŶĚ͗EŽƚĞƚĞĐƚĞĚ͘
	ŶƚƵ;EĞƉŚĞůŽŵĞƚƌŝĐdƵƌďŝĚŝƚǇhŶŝƚƐͿ͗^ƚĂŶĚĂƌĚƵŶŝƚĨŽƌƚƵƌďŝĚŝƚǇ͘
	Ɖŝͬ>͗WŝĐŽĐƵƌŝĞƐƉĞƌ>ŝƚĞƌ͘
	ђ^ͬĐŵ͗DŝĐƌŽƐŝĞŵĞŶƐWĞƌĞŶƟŵĞƚĞƌ͘hŶŝƚŽĨŵĞĂƐƵƌĞĨŽƌĐŽŶĚƵĐƚĂŶĐĞ͘
	ƉƉŵ͗WĂƌƚƐWĞƌDŝůůŝŽŶŽƌDŝůůŝŐƌĂŵƐWĞƌ>ŝƚĞƌ;ŵŐͬ>Ϳ͘ƋƵŝǀĂůĞŶƚƚŽϭƐĞĐŽŶĚŝŶϭϭ͘ϱĚĂǇƐ͘

Early 2018

Early 2019

<Wd,>KhdK&Z/E</E'tdZ

/ĨƉƌĞƐĞŶƚ͕ĞůĞǀĂƚĞĚůĞǀĞůƐŽĨůĞĂĚĐĂŶĐĂƵƐĞƐĞƌŝŽƵƐŚĞĂůƚŚƉƌŽďůĞŵƐ͕ĞƐƉĞĐŝĂůůǇĨŽƌƉƌĞŐŶĂŶƚǁŽŵĞŶĂŶĚǇŽƵŶŐĐŚŝůĚƌĞŶ͘>ĞĂĚŝŶĚƌŝŶŬŝŶŐǁĂƚĞƌŝƐƉƌŝŵĂƌŝůǇĨƌŽŵ

ŵĂƚĞƌŝĂůƐĂŶĚĐŽŵƉŽŶĞŶƚƐĂƐƐŽĐŝĂƚĞĚǁŝƚŚƐĞƌǀŝĐĞůŝŶĞƐĂŶĚŚŽŵĞƉůƵŵďŝŶŐ͘dŚĞŝƚǇŝƐƌĞƐƉŽŶƐŝďůĞĨŽƌƉƌŽǀŝĚŝŶŐŚŝŐŚƋƵĂůŝƚǇĚƌŝŶŬŝŶŐǁĂƚĞƌďƵƚĐĂŶŶŽƚĂůǁĂǇƐĐŽŶƚƌŽů ƚŚĞǀĂƌŝĞƚǇŽĨŵĂƚĞƌŝĂůƐƵƐĞĚŝŶƉůƵŵďŝŶŐĐŽŵƉŽŶĞŶƚƐ͘tŚĞŶǇŽƵƌǁĂƚĞƌŚĂƐďĞĞŶƐŝƫŶŐĨŽƌƐĞǀĞƌĂůŚŽƵƌƐ͕ǇŽƵĐĂŶŵŝŶŝŵŝǌĞƚŚĞƉŽƚĞŶƟĂůĨŽƌůĞĂĚĞǆƉŽƐƵƌĞďǇŇƵƐŚŝŶŐ ǇŽƵƌƚĂƉĨŽƌϯϬƐĞĐŽŶĚƐƚŽϮŵŝŶƵƚĞƐďĞĨŽƌĞƵƐŝŶŐǁĂƚĞƌĨŽƌĚƌŝŶŬŝŶŐŽƌĐŽŽŬŝŶŐ͘/ĨǇŽƵĂƌĞĐŽŶĐĞƌŶĞĚĂďŽƵƚůĞĂĚŝŶǇŽƵƌǁĂƚĞƌ͕ǇŽƵŵĂǇǁŝƐŚƚŽŚĂǀĞǇŽƵƌǁĂƚĞƌƚĞƐƚĞĚ͘ /ŶĨŽƌŵĂƟŽŶŽŶůĞĂĚŝŶĚƌŝŶŬŝŶŐǁĂƚĞƌ͕ƚĞƐƟŶŐŵĞƚŚŽĚƐ͕ĂŶĚƐƚĞƉƐǇŽƵĐĂŶƚĂŬĞƚŽŵŝŶŝŵŝǌĞĞǆƉŽƐƵƌĞŝƐĂǀĂŝůĂďůĞĨƌŽŵƚŚĞ^ĂĨĞƌŝŶŬŝŶŐtĂƚĞƌ,ŽƚůŝŶĞŽƌĂƚŚƩƉ͗ͬͬ

ǁǁǁ͘ĞƉĂ͘ŐŽǀͬůĞĂĚ͘

WK>/zKEEKE/^Z/D/Ed/KEKEd,^/^K&/^/>/dz

/ŶĂĐĐŽƌĚĂŶĐĞǁŝƚŚƚŚĞƌĞƋƵŝƌĞŵĞŶƚƐŽĨdŝƚůĞ//ŽĨƚŚĞŵĞƌŝĐĂŶƐǁŝƚŚŝƐĂďŝůŝƟĞƐĐƚŽĨϭϵϵϬ͕ƚŚĞŝƚǇŽĨsĂĐĂǀŝůůĞ;ŝƚǇͿĚŽĞƐŶŽƚĚŝƐĐƌŝŵŝŶĂƚĞĂŐĂŝŶƐƚƋƵĂůŝĮĞĚ

ŝŶĚŝǀŝĚƵĂůƐǁŝƚŚĚŝƐĂďŝůŝƟĞƐŽŶƚŚĞďĂƐŝƐŽĨĚŝƐĂďŝůŝƚǇŝŶƚŚĞŝƚǇ͛ƐƐĞƌǀŝĐĞƐ͕ƉƌŽŐƌĂŵƐ͕ĂĐƟǀŝƟĞƐ͕ŽƌĞŵƉůŽǇŵĞŶƚ͘/ŶĨŽƌŵĂƟŽŶ͕ĐŽŵŵĞŶƚƐ͕ƌĞƋƵĞƐƚƐĨŽƌ

ĂĐĐŽŵŵŽĚĂƟŽŶƐŽƌďĂƌƌŝĞƌƌĞŵŽǀĂů͕ĂŶĚͬŽƌĐŽŵƉůĂŝŶƚƐĐŽŶĐĞƌŶŝŶŐƚŚĞĂĐĐĞƐƐŝďŝůŝƚǇŽĨŝƚǇƉƌŽŐƌĂŵƐ͕ƐĞƌǀŝĐĞƐŽƌĂĐƟǀŝƟĞƐƚŽƉĞƌƐŽŶƐǁŝƚŚĚŝƐĂďŝůŝƟĞƐƐŚŽƵůĚďĞ

ĚŝƌĞĐƚĞĚƚŽƚŚĞŝƚǇ͛ƐŽŽƌĚŝŶĂƚŽƌ͕ϲϱϬDĞƌĐŚĂŶƚ^ƚƌĞĞƚ͕;ϳϬϳͿϰϰϵ-ϱϰϬϵŽƌ;ϳϬϳͿϰϰϵ-ϱϭϲϮ;ddzͿ͘

tdZ^,^E/dZz^hZsz^ Esh>EZ/>/dz^hDDZ/^

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dŚĞůĂƚĞƐƚtĂƚĞƌƐŚĞĚ^ĂŶŝƚĂƌǇ^ƵƌǀĞǇ;^ŽůĂŶŽWƌŽũĞĐƚĞůŽǁ DŽŶƟĐĞůůŽĂŵϮϬϭϳtĂƚĞƌƐŚĞĚ^ĂŶŝƚĂƌǇ^ƵƌǀĞǇͿĨŽƌWƵƚĂŚ^ŽƵƚŚ ĂŶĂů;W^ͿǁĂƐĐŽŵƉůĞƚĞĚŝŶϮϬϭϴ͘dŚĞƌĞƐƵůƚƐŽĨƚŚĞĂƐƐĞƐƐŵĞŶƚ ƐƵƌǀĞǇŝŶĚŝĐĂƚĞĚƚŚĂƚW^ŝƐŵŽƐƚǀƵůŶĞƌĂďůĞƚŽŝůůĞŐĂůĂĐƟǀŝƟĞƐͬ ƵŶĂƵƚŚŽƌŝǌĞĚĚƵŵƉŝŶŐĂŶĚŚĞƌďŝĐŝĚĞĂƉƉůŝĐĂƟŽŶ͘DĂŶĂŐĞŵĞŶƚ ŵĞĂƐƵƌĞƐĂůŽŶŐƚŚĞĐĂŶĂůŚĂǀĞďĞĞŶŝŵƉůĞŵĞŶƚĞĚƚŚĂƚŵŝƟŐĂƚĞƚŚĞ ƌŝƐŬĨŽƌĞĂĐŚŽĨƚŚĞƐĞƉŽƚĞŶƟĂůĐŽŶƚƌŝďƵƟŶŐĂĐƟǀŝƟĞƐ͘

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Contaminants

City of Vacaville

EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the California State Water Resources Control Board, 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: 96735
Data available: 2012-2017
Data Source: Surface water
Total: 20

Contaminants That Exceed Guidelines

Arsenic
Bromodichloromethane
Chloroform
Chromium (hexavalent)
Dibromochloromethane
Nitrate
Nitrate and nitrite
Total trihalomethanes (TTHMs)

Other Detected Contaminants

Aluminum
Barium
Bromate
Bromide
Chlorate
Chlorodifluoromethane
Chromium (total)
Fluoride
Haloacetic acids (HAA5)
Molybdenum
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

Sources Cited

echo.epa.gov/detailed-facility-report?fid=CA4810008&sys=SDWIS

epa.gov/sdwa/drinking-water-regulations-under-development-or-review

epa.gov/ground-water-and-drinking-water/basic-information-about-lead-drinking-water

cfpub.epa.gov/ncea/iris_drafts/recordisplay.cfm?deid=343951

epa.gov/ground-water-and-drinking-water/revised-lead-and-copper-rule

epa.gov/ground-water-and-drinking-water/drinking-water-health-advisories-pfoa-and-pfos

ci.vacaville.ca.us/government/utilities/water/drinking-water-quality

media.defense.gov/2020/Mar/17/2002265607/-1/-1/1/SPREADSHEET_OF_INSTALLATIONS_WHERE_DOD_PERFORMING_ASSESSMENT_OF_PFAS_USE_OR_POTENTIAL_RELEASE.PDF

ewg.org/interactive-maps/pfas_contamination/

echo.epa.gov/help/reports/dfr-data-dictionary#pollutants

Additional Resources

ewg.org/tapwater/system.php?pws=CA4810008

When I first heard about the Tap Water of Vacaville, I was very curious. Why would a city as small as this requires so much tap water?

The short answer is that in Vacaville, the Department of Public Health requires the City to take water samples for testing. So, they have a responsibility to determine how safe their water is and what contaminants they are contaminating it with. They do this by testing the water in a large number of private wells in the area and reporting back to them on the results.

This information is then submitted to the Department of Public Health in order to be used as guidelines for testing other areas of the city. This can be done in various ways. Sometimes, they will use the same method for all wells or in one area only.