U.S. flag

An official website of the United States government

Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDTX2490016
PWS NameWEST WISE SUD
PWS TypeCommunity water system
Owner TypeLocal government
Primary SourceSurface water
Primacy TypeState
Is Wholesaler?Yes
Population Served3909
County ServedWise

Note


The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

PWS Violation


Violations

Violation Category CodeViolation Type DescriptionRule NameContaminant NameViolation IDCompliance Status DescriptionCompliance Period Begin DateCompliance Period End DateIs Health Based Ind
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068616Known01-OCT-202531-DEC-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068618Known01-OCT-202531-DEC-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068615Known01-JUL-202530-SEP-2025Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068613Known01-JUL-202530-SEP-2025Yes
MONMonitoring, Routine (RTCR)Revised Total Coliform RuleRevised Total Coliform Rule100068601Returned to Compliance01-JUL-202431-JUL-2024No
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice100068588Returned to Compliance08-JUL-2020 - No
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice100068587Returned to Compliance08-JUL-2020 - No
MRWater Quality Parameter M/RLead and Copper RuleLead and Copper Rule100068592Returned to Compliance01-JUL-202031-DEC-2020No
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice100068573Returned to Compliance16-APR-2020 - No
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice100068574Returned to Compliance16-APR-2020 - No
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice100068572Returned to Compliance16-APR-2020 - No
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068582Returned to Compliance01-APR-202030-JUN-2020Yes
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice100068562Returned to Compliance21-JAN-2020 - No
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068566Returned to Compliance01-JAN-202031-MAR-2020Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068564Returned to Compliance01-JAN-202031-MAR-2020Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068555Returned to Compliance01-OCT-201931-DEC-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068554Returned to Compliance01-OCT-201931-DEC-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068553Returned to Compliance01-OCT-201931-DEC-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068547Returned to Compliance01-JUL-201930-SEP-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068545Returned to Compliance01-JUL-201930-SEP-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068542Returned to Compliance01-APR-201930-JUN-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068544Returned to Compliance01-APR-201930-JUN-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068541Returned to Compliance01-APR-201930-JUN-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068543Returned to Compliance01-APR-201930-JUN-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068533Returned to Compliance01-JAN-201931-MAR-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068536Returned to Compliance01-JAN-201931-MAR-2019Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068522Returned to Compliance01-OCT-201831-DEC-2018Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068524Returned to Compliance01-OCT-201831-DEC-2018Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068516Returned to Compliance01-JUL-201830-SEP-2018Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068515Returned to Compliance01-JUL-201830-SEP-2018Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068512Returned to Compliance01-APR-201830-JUN-2018Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068509Returned to Compliance01-JAN-201831-MAR-2018Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068510Returned to Compliance01-JAN-201831-MAR-2018Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068495Returned to Compliance01-OCT-201731-DEC-2017Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068496Returned to Compliance01-OCT-201731-DEC-2017Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068489Returned to Compliance01-JUL-201730-SEP-2017Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068488Returned to Compliance01-JUL-201730-SEP-2017Yes
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice100068463Returned to Compliance11-APR-2017 - No
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068471Returned to Compliance01-APR-201730-JUN-2017Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068470Returned to Compliance01-APR-201730-JUN-2017Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068457Returned to Compliance01-JAN-201731-MAR-2017Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068455Returned to Compliance01-JAN-201731-MAR-2017Yes
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice100068430Returned to Compliance14-OCT-2016 - No
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068439Returned to Compliance01-OCT-201631-DEC-2016Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068441Returned to Compliance01-OCT-201631-DEC-2016Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068428Returned to Compliance01-JUL-201630-SEP-2016Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068426Returned to Compliance01-JUL-201630-SEP-2016Yes
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice100068408Open11-APR-2016 - No
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)100068414Returned to Compliance01-APR-201630-JUN-2016Yes
MCLMaximum Contaminant Level Violation, AverageStage 2 Disinfectants and Disinfection Byproducts RuleTTHM100068413Returned to Compliance01-APR-201630-JUN-2016Yes
  • 1 - 50 of 71

Enforcement Actions


Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
100117108100068615SIFState Public Notification received08-DEC-2025State -
100117111100068613SIFState Public Notification received08-DEC-2025State -
100117101100068618SIEState Public Notification requested03-DEC-2025State -
100117105100068616SIEState Public Notification requested03-DEC-2025State -
100117091100068601SIFState Public Notification received04-SEP-2025State -
100117081100068592SIFState Public Notification received08-JUN-2021State -
100117067100068543SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068533SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068522SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068515SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068512SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068509SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068495SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068582SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068544SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068564SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068547SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068553SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068470SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068488SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068555SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068385SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068439SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117067100068457SOXState Compliance achieved08-OCT-2020StateVIOL SOX'D BASED ON 3Q2020 DBP2-01 AND DBP2-02 TTHM LRAA
100117070100068587SOXState Compliance achieved02-OCT-2020State -
100117085100068566SIFState Public Notification received10-SEP-2020State -
100117084100068588SOXState Compliance achieved10-SEP-2020State -
100117054100068545SOXState Compliance achieved09-JUL-2020StateVIOL SOX'D BASED ON DBP2-01 AND DBP2-02 HAA5 2Q2020 LRAA
100117054100068542SOXState Compliance achieved09-JUL-2020StateVIOL SOX'D BASED ON DBP2-01 AND DBP2-02 HAA5 2Q2020 LRAA
100117054100068541SOXState Compliance achieved09-JUL-2020StateVIOL SOX'D BASED ON DBP2-01 AND DBP2-02 HAA5 2Q2020 LRAA
100117054100068536SOXState Compliance achieved09-JUL-2020StateVIOL SOX'D BASED ON DBP2-01 AND DBP2-02 HAA5 2Q2020 LRAA
100117054100068524SOXState Compliance achieved09-JUL-2020StateVIOL SOX'D BASED ON DBP2-01 AND DBP2-02 HAA5 2Q2020 LRAA
100117054100068554SOXState Compliance achieved09-JUL-2020StateVIOL SOX'D BASED ON DBP2-01 AND DBP2-02 HAA5 2Q2020 LRAA
100117054100068516SOXState Compliance achieved09-JUL-2020StateVIOL SOX'D BASED ON DBP2-01 AND DBP2-02 HAA5 2Q2020 LRAA
100117053100068574SIAState Violation/Reminder Notice07-MAY-2020State -
100117052100068573SIAState Violation/Reminder Notice07-MAY-2020State -
100117051100068572SIAState Violation/Reminder Notice07-MAY-2020State -
100117038100068562SOXState Compliance achieved13-FEB-2020State -
100116970100068510SIFState Public Notification received06-JUL-2018State -
100116966100068386SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116966100068391SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116966100068400SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116966100068414SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116966100068426SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116966100068441SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116966100068455SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116966100068471SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116966100068489SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116966100068496SOXState Compliance achieved29-MAY-2018State06/28/18; SOX'D VIOLATIONS BASED ON 2Q2018 HAA5 -02 LRAA
100116924100068413SOXState Compliance achieved16-MAY-2017State06/13/17; SOX'D DBP2-02 TTHM MCL VIOLATIONS BASED ON 2Q2017 LRAA
  • 1 - 50 of 70

PWS Facilities


All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
SW FROM WALNUT CREEK SUD36094YesConsecutive ConnectionSurface waterPermanentActive
INTAKE 133906YesIntakeSurface waterPermanentActive
RAW-TAP117793NoCommon Headers - - Active
DISTRIBUTION SYSTEM46483NoDistribution System/Zone - - Active
3412 FM 2952 - 350 GPM - SP142893NoPump Facility - - Active
3412 FM 2952 - 350 GPM - SP142894NoPump Facility - - Active
3412 FM 2952 - 100 GPM - SP142895NoPump Facility - - Active
SWTP - 350 GPM - SP70849NoPump Facility - - Active
SWTP - 350 GPM - SP70850NoPump Facility - - Active
SWTP - 500 GPM - SP70851NoPump Facility - - Active
SWTP - FM 1658140932NoSampling Station - - Active
METER - 201 TWIN HILL RD140933NoSampling Station - - Active
SWTP - FM 165859705NoSampling Station - - Active
METER - 201 TWIN HILL RD61693NoSampling Station - - Active
S US 380 0.5 MI W FM 1665 - 0.2 MG - EL123732NoStorage - - Active
HWY 380 / 0.5 MI W FM 1665 - 0.1 MG - EL88045NoStorage - - Active
N FM 1658 NEAR 3412 FM 2952 - 0.1 MG -EL88046NoStorage - - Active
SWTP - 0.084 MG - GR88047NoStorage - - Active
SWTP - 0.084 MG - GR88048NoStorage - - Active
WALNUT CREEK METER12665NoTransmission Main (Manifold) - - Inactive
SWTP - 1710 FM 1658 / BRIDGEPORT363NoTreatment Plant - - Active
  • 1 - 21 of 21

PWS Treatment Processes


Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
SWTP - 1710 FM 1658 / BRIDGEPORT363PermanganateOrganics removal
SWTP - 1710 FM 1658 / BRIDGEPORT363PermanganateOrganics removal
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363CoagulationParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363CoagulationParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeOther
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeOther
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeOther
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeOther
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363CoagulationParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363CoagulationParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363Gaseous Chlorination, PreDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363Gaseous Chlorination, PreDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeParticulate removal
SWTP - 1710 FM 1658 / BRIDGEPORT363Gaseous Chlorination, PostDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363Gaseous Chlorination, PostDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
SWTP - 1710 FM 1658 / BRIDGEPORT363InnovativeDisinfection
  • 1 - 32 of 32

For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.