Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	083090075
PWS Name	ROCKY BOY'S RURAL WATER
PWS Type	Community water system
Owner Type	Tribal Government
Primary Source	Ground water
Primacy Type	Tribal
Is Wholesaler?	No
Population Served	2000
County Served

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
MR	Monitoring, Regular	Nitrate Rule	Nitrite	20579	Known	01-JUL-2025	30-SEP-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Asbestos	20574	Returned to Compliance	01-OCT-2021	31-DEC-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Asbestos	20573	Returned to Compliance	01-JUL-2021	30-SEP-2021	No
MR	Monitoring, Regular	Inorganic Chemicals	Asbestos	20538	Returned to Compliance	01-OCT-2017	31-DEC-2017	No
TT	Failure To Address Deficiency	Ground Water Rule	Groundwater Rule	20535	Returned to Compliance	19-JUL-2017	-	Yes
MR	Monitoring, Regular	Inorganic Chemicals	Asbestos	20537	Returned to Compliance	01-JUL-2017	30-SEP-2017	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Diquat	20541	Returned to Compliance	01-JUL-2017	30-SEP-2017	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Glyphosate	20539	Returned to Compliance	01-JUL-2017	30-SEP-2017	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endothall	20540	Returned to Compliance	01-JUL-2017	30-SEP-2017	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate-Nitrite	20544	Returned to Compliance	01-JAN-2017	31-DEC-2017	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	20328	Returned to Compliance	01-JUL-2014	-	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	ETHYLENE DIBROMIDE	20361	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	1,2-DIBROMO-3-CHLOROPROPANE	20360	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	20432	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	20431	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	20430	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	20429	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	20428	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	20427	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	20426	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	20425	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	20424	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	20423	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	20422	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	20421	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	20420	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	20419	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	20418	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	20417	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	20416	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	20415	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	20362	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	20414	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	20364	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	20389	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	20413	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	20412	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	20358	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	20357	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	HEXACHLOROBENZENE	20356	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	20394	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	20368	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	20369	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	20395	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	20396	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	20370	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	20391	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	20386	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4,5-TP	20355	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4-D	20354	Returned to Compliance	01-JAN-2014	31-DEC-2016	No

1 - 50 of 112

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
830	20574	SOX	State Compliance achieved	29-MAR-2022	Region	-
830	20573	SOX	State Compliance achieved	29-MAR-2022	Region	-
825	20535	SOX	State Compliance achieved	07-NOV-2019	Region	Adding SOX code in coordination with Matt Langenfeld to correlate to EOX date.
818	20544	SOX	State Compliance achieved	14-NOV-2018	Region	Sampled on 11/14/18 at all required locations. RTC. -2/22/2019
802	20537	SOX	State Compliance achieved	30-JAN-2018	Region	Due to program backlog and resource constraints, RTC could not be addressed on time. KM 04/30/18
805	20538	SOX	State Compliance achieved	30-JAN-2018	Region	Due to program backlog and resource constraints, RTC could not be addressed on time. KM 04/30/18
812	20541	SOX	State Compliance achieved	20-DEC-2017	Region	Due to program backlog and resource constraints, RTC could not be assessed on time. KM 04/30/18
815	20539	SOX	State Compliance achieved	20-DEC-2017	Region	Due to program backlog and resource constraints, RTC could not be assessed on time. KM 04/30/18
814	20540	SOX	State Compliance achieved	20-DEC-2017	Region	Due to program resources and resource constraints, RTC could not be assessed on time. KM 04/30/18
799	20333	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20334	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20335	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20336	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20337	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20338	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20339	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20340	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20341	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20342	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20343	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20344	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20345	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20346	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20347	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20348	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20349	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20350	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20351	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20352	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20353	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20354	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20355	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20356	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20357	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20358	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20359	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20360	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20361	SOX	State Compliance achieved	18-JUL-2017	Region	-
799	20362	SOX	State Compliance achieved	18-JUL-2017	Region	-
784	20386	SOX	State Compliance achieved	18-JUL-2017	Region	-
785	20387	SOX	State Compliance achieved	18-JUL-2017	Region	-
788	20389	SOX	State Compliance achieved	18-JUL-2017	Region	-
789	20390	SOX	State Compliance achieved	18-JUL-2017	Region	-
790	20391	SOX	State Compliance achieved	18-JUL-2017	Region	-
791	20392	SOX	State Compliance achieved	18-JUL-2017	Region	-
792	20393	SOX	State Compliance achieved	18-JUL-2017	Region	-
793	20394	SOX	State Compliance achieved	18-JUL-2017	Region	-
794	20395	SOX	State Compliance achieved	18-JUL-2017	Region	-
795	20396	SOX	State Compliance achieved	18-JUL-2017	Region	-
796	20397	SOX	State Compliance achieved	18-JUL-2017	Region	-

1 - 50 of 91

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
FREEGON WELL #14 (ASSOCIATED-TP11&SP10)	12373	Yes	Well	Ground water	Emergency	Inactive
BOX ELDER NORTH WELL #17	12438	Yes	Well	Ground water	Permanent	Inactive
BLATT WELL #11	12085	Yes	Well	Ground water	Permanent	Inactive
NEWTOWN AZURE WELL #12	12030	Yes	Well	Ground water	Permanent	Inactive
NEWTOWN WELL #6	12029	Yes	Well	Ground water	Permanent	Inactive
NEWTOWN WELL #4	12027	Yes	Well	Ground water	Permanent	Inactive
NEWTOWN CS WELL #10	11857	Yes	Well	Ground water	Permanent	Inactive
NEWTOWN ANDERSON WELL#7	11774	Yes	Well	Ground water	Permanent	Inactive
NEWTOWN ST PIERRE WL #9	11772	Yes	Well	Ground water	Permanent	Inactive
ANNIE WELL #1	13049	Yes	Well	Ground water	Permanent	Active
NEW MISTER WELL	12939	Yes	Well	Ground water	Permanent	Active
KEENAN WELL #19	12442	Yes	Well	Ground water	Permanent	Active
BOX ELDER WEST WELL #18	12439	Yes	Well	Ground water	Permanent	Active
NO WINZ WELL #16	12375	Yes	Well	Ground water	Permanent	Active
ONA WELL #15	12374	Yes	Well	Ground water	Permanent	Active
JUICY WELL #13	12332	Yes	Well	Ground water	Permanent	Active
BLATT WELL #5	12028	Yes	Well	Ground water	Permanent	Active
BERNARD WELL #8	11773	Yes	Well	Ground water	Permanent	Active
NEWTOWN WELL #3	11622	Yes	Well	Ground water	Permanent	Active
NEWTOWN WELL #2	11621	Yes	Well	Ground water	Permanent	Active
NEWTOWN WELL #1	10962	Yes	Well	Ground water	Permanent	Active
ROCKY BOY'S RURAL WATER SYSTEM	11088	No	Distribution System/Zone	-	-	Active
ROCKY BOY RURAL WATER(NEWTOWN)	11218	No	Other	-	-	Inactive
BOOSTER STATION NEAR AZURE	12086	No	Other	-	-	Inactive
FLUORIDE/CHLORI PLANT NEAR PRAIRIE VIEW	12087	No	Other	-	-	Inactive
BOX ELDER PF ASSOCIATED WITH SP12 & TP04	12437	No	Pump Facility	-	-	Active
BERNARD PUMP FACILITY FOR WL08	12681	No	Pump Facility	-	-	Active
WEASEL BOY BOOSTER PUMP	12918	No	Pump Facility	-	-	Active
NEWTOWN PUMP HOUSE PF02 (WL 5&11)	11776	No	Pump Facility	-	-	Inactive
NEWTOWN PH - WEST PF01	11777	No	Pump Facility	-	-	Inactive
NEWTOWN 4CS PMP HS PF03 (WL10)	12031	No	Pump Facility	-	-	Inactive
COMBINED GWR SAMPLE STATION	13054	No	Sampling Station	-	-	Active
COMBINED GWR SAMPLE STATION	13055	No	Sampling Station	-	-	Active
OLD SANGRAY 40K GAL	11624	No	Storage	-	-	Active
BONNEAUVILLE 60K GAL	12022	No	Storage	-	-	Active
NEWTOWN EAST (TAN) 100K GAL	12023	No	Storage	-	-	Active
NEWTOWN WEST (BLUE) 220K GAL	12024	No	Storage	-	-	Active
THREE MILE 220K GAL	12330	No	Storage	-	-	Active
COLLIFLOWER EAST 165K GAL	12679	No	Storage	-	-	Active
COLLIFLOWER WEST 165K GAL	13030	No	Storage	-	-	Active
ST. MARK'S TANK (155,925K GAL)	13062	No	Storage	-	-	Active
STORAGE TANK 80K (AZURE)	11623	No	Storage	-	-	Inactive
NEWTOWN UNDRGRD TNKST06	12025	No	Storage	-	-	Inactive
STORAGE TANK SEASONAL APR-SEP (ST MARK)	12026	No	Storage	-	-	Inactive
STORAGE TANK 32K GAL (NO WINZ CLEARWELL)	12377	No	Storage	-	-	Inactive
NEW SANGRAY 165K GAL	12440	No	Storage	-	-	Inactive
COLLIFLOWER WEST 165K GAL	12917	No	Storage	-	-	Inactive
NEWTOWN TREATMENT PLANT	12131	No	Treatment Plant	-	-	Active
JUICY TREATMENT PLANT	12331	No	Treatment Plant	-	-	Active
PASSTIME TREATMENT PLANT	12346	No	Treatment Plant	-	-	Active

1 - 50 of 59

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT PLANT AT WL07	12127	Hypochlorination, Post	Disinfection
TREATMENT PLANT AT WL08	12128	Hypochlorination, Post	Disinfection
NEWTOWN TREATMENT PLANT	12131	Hypochlorination, Post	Disinfection
BLATT TREATMENT PLANT	12132	Hypochlorination, Post	Disinfection
JUICY TREATMENT PLANT	12331	Hypochlorination, Post	Disinfection
BERNARD TREATMENT PLANT	12344	Hypochlorination, Pre	Disinfection
PIERRE ASSOCIATED TO SP09 (CL)	12345	Coagulation	Particulate removal
PASSTIME TREATMENT PLANT	12346	Hypochlorination, Pre	Disinfection
NORTH WINZ TREATMENT PLANT	12376	Hypochlorination, Post	Disinfection
NORTH WINZ TREATMENT PLANT	12376	Reverse Osmosis	Softening (hardness removal)
KEENAN/MISTER	12441	Hypochlorination, Post	Disinfection
BOX ELDER TREATMENT PLANT	12576	Hypochlorination, Post	Disinfection

1 - 12 of 12

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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