Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CO0123710
PWS Name	SILT TOWN OF
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	3536
County Served	Garfield

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	2004260	Returned to Compliance	01-JUL-2023	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	2004261	Returned to Compliance	22-JUN-2023	-	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	2004256	Returned to Compliance	01-MAY-2021	31-MAY-2021	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	2004255	Returned to Compliance	01-MAY-2021	31-MAY-2021	No
TT	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Stage 1 Disinfectants and Disinfection Byproducts Rule	2004254	Returned to Compliance	01-NOV-2020	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	2004253	Returned to Compliance	01-OCT-2020	-	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	2004251	Returned to Compliance	01-APR-2020	30-APR-2020	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	2004252	Returned to Compliance	01-APR-2020	30-APR-2020	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	2004250	Returned to Compliance	01-JAN-2020	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	2004249	Returned to Compliance	01-OCT-2019	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	2004246	Returned to Compliance	01-JAN-2019	-	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	2004245	Returned to Compliance	01-NOV-2018	30-NOV-2018	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	2004244	Returned to Compliance	01-NOV-2018	30-NOV-2018	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	2004242	Returned to Compliance	01-JUN-2018	30-JUN-2018	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	2004243	Returned to Compliance	01-JUN-2018	30-JUN-2018	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	2004241	Returned to Compliance	01-JAN-2018	-	No
MR	Monitoring, Source Water (LT2)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	2004240	Returned to Compliance	02-JUL-2017	-	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	2004239	Returned to Compliance	01-JUN-2017	30-JUN-2017	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	2004238	Returned to Compliance	01-JUN-2017	30-JUN-2017	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	2004236	Returned to Compliance	01-JUL-2014	30-SEP-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	2004237	Returned to Compliance	01-JUL-2014	30-SEP-2014	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	2004235	Returned to Compliance	01-JUL-2010	30-SEP-2010	Yes
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	2004233	Returned to Compliance	01-JUL-2010	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	2004234	Returned to Compliance	01-APR-2010	30-JUN-2010	Yes
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	2004212	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	2004232	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	2004231	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	2004230	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	2004229	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	2004228	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	2004227	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	2004226	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	2004225	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	2004224	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	2004223	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	2004222	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	2004221	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	2004220	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	2004219	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	2004218	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	2004217	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	2004216	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	2004215	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	2004214	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	2004213	Returned to Compliance	01-JUL-2008	30-SEP-2008	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Stage 2 Disinfectants and Disinfection Byproducts Rule	2004211	Returned to Compliance	01-APR-2008	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	2003907	Returned to Compliance	01-JUL-2007	-	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	2004208	Returned to Compliance	01-JUL-2007	30-SEP-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	2004008	Returned to Compliance	01-JUL-2007	30-SEP-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	2004108	Returned to Compliance	01-JUL-2007	30-SEP-2007	No

1 - 50 of 68

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
2013300	2004261	SOX	State Compliance achieved	29-AUG-2023	State	-
2013295	2004260	SOX	State Compliance achieved	31-JUL-2023	State	-
2013285	2004249	SOX	State Compliance achieved	20-JUL-2021	State	sampled highest risk LCR samples. KLM
2013285	2004253	SOX	State Compliance achieved	20-JUL-2021	State	sampled highest risk LCR samples. KLM
2013282	2004255	SIE	State Public Notification requested	09-JUL-2021	State	-
2013284	2004256	SIE	State Public Notification requested	09-JUL-2021	State	-
2013278	2004254	SIF	State Public Notification received	02-DEC-2020	State	-
2013277	2004252	SOX	State Compliance achieved	02-JUN-2020	State	-
2013277	2004251	SOX	State Compliance achieved	02-JUN-2020	State	-
2013268	2004250	SOX	State Compliance achieved	05-MAR-2020	State	-
2013256	2004246	SOX	State Compliance achieved	28-JAN-2019	State	-
2013280	2004241	SOX	State Compliance achieved	21-JAN-2019	State	-
2013257	2004245	SOX	State Compliance achieved	10-JAN-2019	State	-
2013257	2004244	SOX	State Compliance achieved	10-JAN-2019	State	-
2013249	2004240	SOX	State Compliance achieved	25-OCT-2018	State	-
2013245	2004242	SIE	State Public Notification requested	18-JUL-2018	State	-
2013247	2004243	SIE	State Public Notification requested	18-JUL-2018	State	-
2013243	2004238	SOX	State Compliance achieved	22-FEB-2018	State	Submitted MOR the following month
2013243	2004239	SOX	State Compliance achieved	22-FEB-2018	State	Submitted MOR the following month
2013234	2004237	SOX	State Compliance achieved	07-OCT-2016	State	-
2013234	2004236	SOX	State Compliance achieved	07-OCT-2016	State	-
2013231	2004235	SOX	State Compliance achieved	30-JUN-2011	State	per M. Talbott, the PWS qualifies for SOX, sv 8/18/2011
2013231	2004234	SOX	State Compliance achieved	30-JUN-2011	State	per M. Talbott, the PWS qualifies for SOX, sv 8/18/2011
2013226	2004233	SOX	State Compliance achieved	12-AUG-2010	State	-
2013222	2004214	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004232	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004231	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004230	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004229	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004228	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004227	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004226	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004225	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004224	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004223	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004222	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004221	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004220	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004219	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004218	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004217	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004216	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004215	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004213	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013222	2004212	SOX	State Compliance achieved	13-MAY-2009	State	Sampled 10/16/08. 5/13/09 dgj
2013217	2001704	SOX	State Compliance achieved	25-AUG-2008	State	rec'd 0708, sv 8/25/08
2013216	2004108	SOX	State Compliance achieved	19-AUG-2008	State	-
2013216	2004208	SOX	State Compliance achieved	19-AUG-2008	State	-
2013216	2004008	SOX	State Compliance achieved	19-AUG-2008	State	-
2013219	2004211	SOX	State Compliance achieved	18-AUG-2008	State	-

1 - 50 of 68

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
COLORADO RIVER DIVERSION	265	Yes	Intake	Surface water	Permanent	Active
WELL	2379	Yes	Well	Ground water	Permanent	Inactive
WELL 3R	24209	Yes	Well	Ground water under the influence of surface water	Permanent	Active
WELL 2R	21632	Yes	Well	Ground water under the influence of surface water	Permanent	Active
RAW WATER POND	266	Yes	Intake	Surface water	Permanent	Inactive
DISTRIBUTION SYSTEM	6768	No	Distribution System/Zone	-	-	Active
MESA VIEW PUMP STATION	19591	No	Pump Facility	-	-	Inactive
SUNRISE PUMP HOUSE STATION	19592	No	Pump Facility	-	-	Inactive
COMBINED RAW SOURCE	22708	No	Sampling Station	-	-	Active
COMBINED RAW SOURCE INACTIVE	14004	No	Sampling Station	-	-	Inactive
MAIN TANK	17048	No	Storage	-	-	Active
SUNRISE TANK 1	17049	No	Storage	-	-	Active
MESA VIEW TANK	17050	No	Storage	-	-	Active
SUNRISE TANK 2	24206	No	Storage	-	-	Active
MICROFILTRATION PLANT SWTP02	14908	No	Treatment Plant	-	-	Active
CONVENTIONAL PLANT INACTIVE	3863	No	Treatment Plant	-	-	Inactive
WELL 3R	21633	No	Wellhead	-	-	Inactive

1 - 17 of 17

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
MICROFILTRATION PLANT SWTP02	14908	Microscreening	Particulate removal
MICROFILTRATION PLANT SWTP02	14908	Coagulation	Particulate removal
MICROFILTRATION PLANT SWTP02	14908	Sedimentation	Particulate removal
MICROFILTRATION PLANT SWTP02	14908	Filtration, Ultrafiltration	Particulate removal
MICROFILTRATION PLANT SWTP02	14908	Innovative	Iron removal
MICROFILTRATION PLANT SWTP02	14908	Hypochlorination, Post	Disinfection
MICROFILTRATION PLANT SWTP02	14908	Innovative	Disinfection
CONVENTIONAL PLANT INACTIVE	3863	Inhibitor, Orthophosphate	Corrosion control
CONVENTIONAL PLANT INACTIVE	3863	Filtration, Rapid Sand	Particulate removal
CONVENTIONAL PLANT INACTIVE	3863	Coagulation	Particulate removal
CONVENTIONAL PLANT INACTIVE	3863	Gaseous Chlorination, Post	Disinfection
CONVENTIONAL PLANT INACTIVE	3863	Chlorine Dioxide	Disinfection
CONVENTIONAL PLANT INACTIVE	3863	Fluoridation	Other
CONVENTIONAL PLANT INACTIVE	3863	Sedimentation	Particulate removal
CONVENTIONAL PLANT INACTIVE	3863	Rapid Mix	Particulate removal
CONVENTIONAL PLANT INACTIVE	3863	Flocculation	Particulate removal

1 - 16 of 16

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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