Safe Drinking Water Information System (SDWIS) Federal Reporting Services

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PWS ID	CO0101063
PWS Name	GREATROCK NORTH WSD
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	1250
County Served	Adams

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.

Violations

Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	3001599	Returned to Compliance	01-JUL-2011	-	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001597	Returned to Compliance	01-JUL-2009	31-JUL-2009	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001596	Returned to Compliance	01-JUN-2009	30-JUN-2009	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001595	Returned to Compliance	01-MAY-2009	31-MAY-2009	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3001594	Returned to Compliance	01-MAY-2009	31-MAY-2009	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001593	Returned to Compliance	01-APR-2009	30-APR-2009	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3001592	Returned to Compliance	01-MAR-2009	31-MAR-2009	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001591	Returned to Compliance	01-MAR-2009	31-MAR-2009	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001590	Returned to Compliance	01-JAN-2009	31-JAN-2009	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001589	Returned to Compliance	01-DEC-2008	31-DEC-2008	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3001598	Returned to Compliance	01-DEC-2008	31-DEC-2008	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001588	Returned to Compliance	01-NOV-2008	30-NOV-2008	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001587	Returned to Compliance	01-OCT-2008	31-OCT-2008	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3001586	Returned to Compliance	01-OCT-2008	31-OCT-2008	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001585	Returned to Compliance	01-SEP-2008	30-SEP-2008	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001584	Returned to Compliance	01-AUG-2008	31-AUG-2008	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3001583	Returned to Compliance	01-JUL-2008	31-JUL-2008	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3001580	Returned to Compliance	01-JUL-2008	31-JUL-2008	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3001508	Returned to Compliance	01-APR-2008	30-APR-2008	Yes
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	3001507	Returned to Compliance	01-JUL-2007	-	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3001207	Returned to Compliance	01-OCT-2006	31-OCT-2006	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3000906	Returned to Compliance	01-AUG-2005	31-AUG-2005	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	3000404	Returned to Compliance	01-JUL-2003	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3000302	Returned to Compliance	01-JUN-2002	30-JUN-2002	Yes

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Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
3023280	3001599	SOX	State Compliance achieved	18-AUG-2011	State	-
3023276	3001586	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001598	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001597	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001596	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001595	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001594	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001593	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001580	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001583	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001584	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001585	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001587	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001588	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001589	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001590	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023276	3001591	SOX	State Compliance achieved	11-JAN-2010	State	System reclassified to GW
3023275	3001592	SOX	State Compliance achieved	22-SEP-2009	State	Rec'd corrected MOR for March showing all Turb samples taken.
3023246	3001508	SOX	State Compliance achieved	17-NOV-2008	State	>6 months without a violation-SOXd. cj
3023209	3001207	SOX	State Compliance achieved	04-APR-2008	State	>6 mo wo violations. SOXd. aj
3023209	3000906	SOX	State Compliance achieved	04-APR-2008	State	>6 mo wo violations. SOXd. aj
3023209	3000302	SOX	State Compliance achieved	04-APR-2008	State	>6 mo wo violations. SOXd. aj
3023208	3001507	SOX	State Compliance achieved	11-DEC-2007	State	-
3021404	3000404	SOX	State Compliance achieved	26-NOV-2003	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
PURCHASED WATER FROM BOULDER	10234	Yes	Consecutive Connection	Surface water	Emergency	Inactive
ALV-2 WELL	19540	Yes	Well	Ground water	Permanent	Active
ALV1 WELL	16190	Yes	Well	Ground water	Permanent	Active
UKA-3 WELL	14792	Yes	Well	Ground water	Permanent	Active
LFH-3 WELL	14791	Yes	Well	Ground water	Permanent	Active
UKA-2 WELL	1430	Yes	Well	Ground water	Permanent	Active
LFH-2 WELL	1429	Yes	Well	Ground water	Permanent	Active
LFH1 WELL	1428	Yes	Well	Ground water	Permanent	Active
UKA-1 WELL	10303	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	6368	No	Distribution System/Zone	-	-	Active
BOX ELDER CREEK TANK NO 1	13609	No	Storage	-	-	Active
ROCKING HORSE FARMS TANK	14794	No	Storage	-	-	Active
GREATROCK NORTH TANK	14795	No	Storage	-	-	Active
BOX ELDER CREEK TANK NO 2	20652	No	Storage	-	-	Active
NEW BOX ELDER CREEK RANCH WTP	23505	No	Treatment Plant	-	-	Active
CHLORINATOR FOR ROCKING HORSE FARM WELLS	14793	No	Treatment Plant	-	-	Inactive
BOX ELDER CREEK RANCH TREATMENT PLANT	14808	No	Treatment Plant	-	-	Inactive
CHLORINATOR FOR GREATROCK NORTH WELLS	19539	No	Treatment Plant	-	-	Inactive
CHLORINATOR FOR ALL WELLS	3252	No	Treatment Plant	-	-	Inactive

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Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
CHLORINATOR FOR ROCKING HORSE FARM WELLS	14793	Hypochlorination, Post	Disinfection
BOX ELDER CREEK RANCH TREATMENT PLANT	14808	Innovative	Disinfection
BOX ELDER CREEK RANCH TREATMENT PLANT	14808	Hypochlorination, Post	Disinfection
BOX ELDER CREEK RANCH TREATMENT PLANT	14808	Reverse Osmosis	Particulate removal
CHLORINATOR FOR GREATROCK NORTH WELLS	19539	Hypochlorination, Pre	Disinfection
NEW BOX ELDER CREEK RANCH WTP	23505	Reverse Osmosis	Disinfection by-products control
NEW BOX ELDER CREEK RANCH WTP	23505	Hypochlorination, Post	Disinfection
NEW BOX ELDER CREEK RANCH WTP	23505	Innovative	Disinfection
CHLORINATOR FOR ALL WELLS	3252	Hypochlorination, Post	Disinfection

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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.

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