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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.

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Violations

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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 Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7163714	Open	01-JUL-2025	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	7163713	Returned to Compliance	01-JUN-2025	30-JUN-2025	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	7163716	Known	01-JAN-2025	31-DEC-2025	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	7163710	Returned to Compliance	30-DEC-2020	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	7163709	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	7163708	Returned to Compliance	01-JUL-2007	31-DEC-2007	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	7163707	Returned to Compliance	01-JUL-2006	30-SEP-2006	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	7163205	Returned to Compliance	01-JUL-2004	31-DEC-2004	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	7162504	Returned to Compliance	01-OCT-2003	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	7162102	Returned to Compliance	01-JAN-2002	30-JUN-2002	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	5273601	Returned to Compliance	01-OCT-2000	31-DEC-2000	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	5376500	Returned to Compliance	01-APR-2000	30-JUN-2000	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	5376400	Returned to Compliance	01-JAN-2000	31-MAR-2000	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	2346394	Known	01-MAR-1994	31-MAR-1994	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	1771693	Known	01-JAN-1993	31-JAN-1993	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1422492	Known	01-OCT-1991	31-OCT-1991	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7161980	Known	30-JUN-1977	29-JUN-1981	No

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Enforcement Actions

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Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
1987722	7163714	SIA	State Violation/Reminder Notice	04-NOV-2025	State	-
1987721	7163713	SIE	State Public Notification requested	17-SEP-2025	State	-
1987715	7163710	SOX	State Compliance achieved	20-JAN-2021	State	-
1987713	7163709	SOX	State Compliance achieved	18-NOV-2010	State	Revised paperwork with residuals written in received on 11/18/2010
1987708	7163708	SIA	State Violation/Reminder Notice	30-JAN-2008	State	-
1987707	7163707	SOX	State Compliance achieved	20-OCT-2006	State	-
1987405	7163205	SOX	State Compliance achieved	05-JUL-2005	State	Submit WQPR form for 2005E61 compliance period
1986805	7162504	SIF	State Public Notification received	08-MAR-2005	State	-
1984703	7162102	SOX	State Compliance achieved	31-DEC-2002	State	-
596401	5273601	SOX	State Compliance achieved	31-MAR-2001	State	-
402401	5376500	SOX	State Compliance achieved	31-DEC-2000	State	-
402401	5376400	SOX	State Compliance achieved	31-DEC-2000	State	-
1984294	2346394	SIE	State Public Notification requested	28-MAY-1994	State	-
1983993	1771693	SIF	State Public Notification received	27-APR-1993	State	-
1094892	1422492	SIE	State Public Notification requested	21-DEC-1991	State	-

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All Facilities

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Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL 1 (31867)	21006	Yes	Well	Ground water	Permanent	Active
WELL 2 (31868)	21007	Yes	Well	Ground water	Permanent	Active
RAPIDS CITY	24893	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	45344	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	28552	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	30974	No	Sampling Station	-	-	Active
TAP 01 GROUND STORAGE	13046	No	Storage	-	-	Active
ELEV01 - 150000 GAL ELEVATED TANK	45221	No	Storage	-	-	Active
DISTRIBUTION ELEVATED STORAGE	11712	No	Storage	-	-	Inactive
DISTRIBUTION GROUND STORAGE	12405	No	Storage	-	-	Inactive
TP01-WELL #1 & #2 TREATMENT	17078	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP01-WELL #1 & #2 TREATMENT	17078	Aeration, Slat Tray	Taste / odor control
TP01-WELL #1 & #2 TREATMENT	17078	Fluoridation	Other
TP01-WELL #1 & #2 TREATMENT	17078	Inhibitor, Orthophosphate	Corrosion control
TP01-WELL #1 & #2 TREATMENT	17078	Gaseous Chlorination, Pre	Disinfection
TP01-WELL #1 & #2 TREATMENT	17078	Hypochlorination, Post	Disinfection

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