Navajo Nation Primary Water Drinking Regulations (NNPDWR)
| Navajo Nation Environmental Protection Agency • Public Water Systems Supervision Program |
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2010 NNPDWR
The Navajo Nation Primary Drinking Water Regulations (NNPDWR) was formally adopted by the
Resources Committee of the Navajo Nation Council, Navajo EPA’s legislative oversight.
100—Introduction
200—Maximum Contaminant Level
300—Sanitary Surveys
400—Sampling and Analytical Requirements
500—Reporting and Recordkeeping
600—Public Notification
700—Lead and Copper
800—Surface Water Treatment
900—Use of Non-Centralized Treatment Devices
1000—Treatment Techniques
1100—Disinfectant, Disinfection By-Products (DDBP)
1200—Consumer Confidence Report (CCR)
1300—Enhanced Surface Water
1400—Operator Certification (OpCert)
1500—Minimum Design Regulations
1600—Construction Permits
1700—Wellhead Protection Regulations
1800—Secondary Drinking Water Standards
1900—Consecutive Public Water Systems
2000—Cross-Connection and Backflow Prevention
2100—Enhanced Filtration and Disinfection (LT1)
2200—Initial Distribution System Evaluation (IDSE)
2300—Stage 2 Disinfection By-Products
2400—Enhanced Treatment with Cryptosporidium (LT2)
2500—Groundwater Regulations
Appendices A
Appendices B and C
Appendices D, E, and F
Appendices G and H
The Navajo Nation Primary Drinking Water Regulations (NNPDWR) was formally adopted by the
Resources Committee of the Navajo Nation Council, Navajo EPA’s legislative oversight.
100—Introduction
200—Maximum Contaminant Level
300—Sanitary Surveys
400—Sampling and Analytical Requirements
500—Reporting and Recordkeeping
600—Public Notification
700—Lead and Copper
800—Surface Water Treatment
900—Use of Non-Centralized Treatment Devices
1000—Treatment Techniques
1100—Disinfectant, Disinfection By-Products (DDBP)
1200—Consumer Confidence Report (CCR)
1300—Enhanced Surface Water
1400—Operator Certification (OpCert)
1500—Minimum Design Regulations
1600—Construction Permits
1700—Wellhead Protection Regulations
1800—Secondary Drinking Water Standards
1900—Consecutive Public Water Systems
2000—Cross-Connection and Backflow Prevention
2100—Enhanced Filtration and Disinfection (LT1)
2200—Initial Distribution System Evaluation (IDSE)
2300—Stage 2 Disinfection By-Products
2400—Enhanced Treatment with Cryptosporidium (LT2)
2500—Groundwater Regulations
Appendices A
Appendices B and C
Appendices D, E, and F
Appendices G and H
| The Great Seal of the Navajo Nation was designed by Mr. John Claw, Jr., of Many Farms, Arizona, and was officially adopted by the Navajo Tribal Council on January 18, 1952, by resolution CJ-9-52. The Great Seal had forty eight projectile points or arrowheads symbolizing the Navajo Nations protection within the forty eight states (as of 1952). Since then, two points have been added to represent the entire fifty states of the United States. The opening at the top of the three concentric lines is considered the East. The lines represent the rainbow and sovereignty of the Navajo Nation. The rainbow never closes on the Nation's sovereignty. The outside line is red, the middle line is yellow and the inside line, blue. The yellow sun shines from the east on the four sacred mountains, Sisnaajinii, Tsoodzil, Dook'o'oslííd, and Dibé Ntsaa. Yoolgaii, Dootl'izhii, Diichili, and Baashzhinii are the sacred mountain ceremonial stones. Two cornstalks with pollen symbolizes the sustainer of Navajo life. A horse, cow, and sheep, located in the center, symbolizes the Navajo livestock. |
| The copper color outlines the present reservation, with the original Treaty of 1868 in dark brown. In the cardinal points on the tan field are the Sacred Mountains. A rainbow, symbolizing sovereignty arches over the Navajo Nation. In the center of the reservation, a circular symbol depicts the sun above two green stalks of corn between which are three animals representing the Navajo livestock economy, a traditional Hogan and a more modern type of house. Between the hogan and house is an oil derrick symbolizing the resource potential of the Nation, and above this are represented the wild fauna of the reservation. At the top, nearest to the sun, the modern sawmill symbolizes the progress and industry currently characteristic of the Nation's development. |
Navajo Nation Domestic Wastewater Regulations
The Navajo Nation Environmental Protection Agency’s Public Water Systems Supervision Program is
presenting the proposed Navajo Nation Domestic Wastewater Regulations for review and comment.
Copies of these proposed regulations can be obtained by calling the Navajo PWSSP office at (928) 871-
7755. Requests for public meetings will need to be made in writing to the PWSSP. Please CLICK HERE
to view the Regulations.
CLICK HERE to view the Domestic Wastewater Program.
The Navajo Nation Environmental Protection Agency’s Public Water Systems Supervision Program is
presenting the proposed Navajo Nation Domestic Wastewater Regulations for review and comment.
Copies of these proposed regulations can be obtained by calling the Navajo PWSSP office at (928) 871-
7755. Requests for public meetings will need to be made in writing to the PWSSP. Please CLICK HERE
to view the Regulations.
CLICK HERE to view the Domestic Wastewater Program.
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