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Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDMN1720006
PWS NameHenderson
PWS TypeCommunity water system
Owner TypeLocal government
Primary SourceGround water
Primacy TypeState
Is Wholesaler?No
Population Served886
County ServedSibley

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
MRWater Quality Parameter M/RLead and Copper RuleLead and Copper Rule54002Returned to Compliance01-JUL-201731-DEC-2017No
MRWater Quality Parameter M/RLead and Copper RuleLead and Copper Rule51605Returned to Compliance01-JAN-201630-JUN-2016No
MRMonitoring and Reporting (DBP)Stage 1 Disinfectants and Disinfection Byproducts RuleChlorine50975Returned to Compliance01-JAN-201631-MAR-2016No
MRMonitoring, Routine Major (TCR)Total Coliform RuleColiform (TCR)50936Returned to Compliance01-JAN-201631-MAR-2016No
MRMonitoring, Routine Major (TCR)Total Coliform RuleColiform (TCR)44477Returned to Compliance01-JUL-201230-SEP-2012No
MRWater Quality Parameter M/RLead and Copper RuleLead and Copper Rule44539Returned to Compliance01-JUL-201231-DEC-2012No
MRMonitoring and Reporting (DBP)Stage 1 Disinfectants and Disinfection Byproducts RuleChlorine44538Returned to Compliance01-JUL-201230-SEP-2012No
MRMonitoring, RegularNitrate RuleNitrate44476Returned to Compliance01-JAN-201231-DEC-2012No
MRMonitoring and Reporting (DBP)Stage 1 Disinfectants and Disinfection Byproducts RuleChlorine35997Returned to Compliance01-APR-200830-JUN-2008No
MCLMaximum Contaminant Level Violation, AverageRadionuclides and Revised Rad RuleCombined Radium (-226 and -228)5351Returned to Compliance01-OCT-198830-SEP-1992Yes
  • 1 - 10 of 10

Enforcement Actions


Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
65373154002SOXState Compliance achieved14-FEB-2018State -
61356751605SOXState Compliance achieved29-SEP-2016State -
60678850975SOXState Compliance achieved25-MAY-2016State -
60678850936SOXState Compliance achieved25-MAY-2016State -
52936244476SOXState Compliance achieved31-JUL-2013State -
51571644539SOXState Compliance achieved14-FEB-2013State -
51084544538SIFState Public Notification received07-DEC-2012State -
51084544477SIFState Public Notification received07-DEC-2012State -
36176035997SOXState Compliance achieved27-AUG-2008State -
2883845351SOXState Compliance achieved30-SEP-1992State -
  • 1 - 10 of 10

PWS Facilities


All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
Well #11YesWell Ground waterPermanentActive
Well #22YesWell Ground waterPermanentActive
Distribution System6NoDistribution System/Zone - - Active
Booster Station9NoPump Facility - - Active
WELL #2 ENTRY POINT4NoSampling Station - - Inactive
Well #2 Entry Point10NoTreatment Plant - - Active
Well #1 Entry Point3NoTreatment Plant - - Active
  • 1 - 7 of 7

PWS Treatment Processes


Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
Well #2 Entry Point10FluoridationOther
Well #2 Entry Point10Inhibitor, PolyphosphateCorrosion control
Well #2 Entry Point10Gaseous Chlorination, PostDisinfection
Well #2 Entry Point10InnovativeOther
Well #1 Entry Point3InnovativeOther
Well #1 Entry Point3Gaseous Chlorination, PostDisinfection
Well #1 Entry Point3FluoridationOther
Well #1 Entry Point3Inhibitor, PolyphosphateCorrosion control
  • 1 - 8 of 8

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.