TL;DR
- Maher Cattle Company, LLC, operated a massive feedlot on the Standing Rock Reservation in South Dakota with a capacity of at least 12,000 head of cattle, and dumped livestock waste directly into High Bank Creek with zero permits and zero accountability.
- EPA inspectors confirmed in July 2022 that cattle had direct access to High Bank Creek, that the entire yearling operation drained toward the creek, and that the facility was actively discharging pollutants into the waterway.
- Sampling conducted in June 2023 confirmed downstream contamination: ammonia, phosphorus, total nitrogen, and E. coli all exceeded federal Water Quality Standards at multiple points below the operation.
- Patrick Maher and James Maher operated this facility without ever obtaining an NPDES permit, meaning they broke federal Clean Water Act law from the moment their first cow set foot in those pens.
- The penalty exposure under law reaches up to $66,712 per day per violation ($66,712 per day, enough to pay a full year of federal minimum wage for three workers, every single day), yet the EPA’s response was a compliance order with no public dollar fine announced.
The section on what the EPA actually found inside that creek in 2023 includes specific contamination data that should make anyone downstream furious. It is in Legal Receipts.
Maher Cattle Company ran a feedlot capable of holding 12,000 head of cattle directly on the Standing Rock Reservation, and for years it pumped livestock manure, ammonia, and E. coli into a creek that feeds the Missouri River, all without a single permit.
A 12,000-Head Operation. Zero Permits. Zero Shame.
Maher Cattle Company, LLC, run by Patrick Maher and James Maher, operates a concentrated animal feeding operation (CAFO) at 13031 248th Avenue in Timber Lake, South Dakota, sitting within the exterior boundaries of the Standing Rock Reservation. The facility runs two separate operations: a feedlot on the east side of 248th Avenue and a yearling operation on the west side, both positioned directly adjacent to High Bank Creek.
At the time of the EPA’s first inspection in July 2022, the feedlot held approximately 2,200 head of cattle. By the time the EPA returned in June 2023, that number had ballooned to approximately 5,900 head. The facility carries a total capacity of at least 12,000 head of cattle.
Federal law defines any operation confining 1,000 or more cattle as a “Large CAFO,” and Large CAFOs are legally required to obtain an NPDES permit before discharging a single drop of waste into any waterway. The Mahers never obtained one.
The Creek Was Running Through the Cattle Pens
When EPA inspectors arrived on July 14, 2022, they documented something that should have triggered immediate action: High Bank Creek flows directly through the northernmost yearling pen. The creek did not run alongside the pens or near them. It ran through them, meaning every cow in that pen was standing in or adjacent to a live tributary of the Missouri River.
The remaining yearling pens to the south were graded to slope northward, draining directly toward that same creek. Feed was stored uncovered on a concrete pad right next to the feedlot, positioned near High Bank Creek, meaning every rainfall event carried contaminated runoff straight into the water. Cattle were also observed with direct access to High Bank Creek in the grazing field west of the yearling pens.
The EPA’s conclusion was unambiguous: the facility was actively discharging to High Bank Creek at the time of inspection. This was not a risk assessment. This was an observed, ongoing discharge.
The Non-Financial Ledger: What This Really Took From People
The Standing Rock Reservation is not an abstract geography. It is a homeland, a place where the Lakota and Dakota peoples have maintained a relationship with the land and its waterways for generations. High Bank Creek feeds the Grand River. The Grand River feeds the Missouri. The Missouri is not just a river on a map to the communities living along it; it is a source of life, sustenance, and cultural identity. Maher Cattle Company treated it as a drainage ditch.
The contamination confirmed by EPA sampling in June 2023 was not a one-time spill. It was the result of sustained, unpermitted operation of a facility that had been actively discharging since at least the 2022 inspection, likely far longer. Every day that ammonia, E. coli, phosphorus, and nitrogen flowed downstream was a day that Indigenous communities downstream of High Bank Creek absorbed the consequences of a business decision they had no say in. Nobody asked the Standing Rock Reservation if it wanted to be the downstream recipient of a 12,000-head cattle operation’s waste stream.
There is a specific, documented betrayal embedded in the land application records violation. The EPA found that the Mahers did not maintain land application records until at least Fall 2022, which means there is no way to know how much manure was applied to the land surrounding the facility before that date, at what rates, or in which locations. That recordkeeping failure was not an oversight. It was the absence of any system of accountability. The land was treated as an infinite sponge, and nobody tracked what went into it or where it went from there.
The compliance order requires the Mahers to remove the northernmost yearling pen, the one through which High Bank Creek physically flows, regrade the banks, and seed native vegetation to achieve 80% vegetative cover. That remediation requirement is an official government acknowledgment that the creek’s banks were physically degraded by the operation’s presence. What cannot be restored with a reseeding effort is the years of nutrient loading, bacterial contamination, and ecosystem disruption that occurred while the facility ran without authorization. The creek does not get a compliance deadline. It just has to carry what was put into it.
Legal Receipts: Straight From the EPA’s Own Documents
EPA Findings of Fact — Paragraph 19(c) & 19(d) “High Bank Creek flows west to east through the northernmost yearling pen… The remaining yearling pens south of the north pen are sloped to the north and drain to High Bank Creek.”
EPA Findings of Fact — Paragraph 20(a) “Sampling results showed a general increasing trend for ammonia as nitrogen, phosphorous, total kjeldahl nitrogen, biochemical oxygen demand, and E. coli at each of the six sampling locations downstream of the yearling operation and feedlot operation. EPA’s Water Quality Standard (WQS) Criteria was exceeded for phosphorous, total nitrogen, and E. coli.”
EPA Findings of Fact — Paragraph 30 & 31 “Respondents have not received coverage under an NPDES section 402 permit under 40 C.F.R. § 122.23(d). Respondents have discharged pollutants from the Facility to waters of the United States without an NPDES permit, in violation of section 301(a) of the Act.”
EPA Findings of Fact — Paragraph 32 “Respondents did not maintain land application records until at least Fall of 2022, in violation of 40 C.F.R. §§ 122.23(e)(2) and 122.42(e)(1)(ix).”
Other Terms and Conditions — Paragraph 56 “Section 309(d) of the Act… authorizes civil penalties of up to $66,712 per day for each violation of section 301 of the Act… Issuance of this Agreement shall not be deemed an election by the United States to forgo any civil or criminal action to seek penalties, fines, or other appropriate relief under the Act for violations giving rise to this Agreement.”
Societal Impact Mapping
Environmental Degradation
High Bank Creek is not an isolated body of water. The EPA’s own compliance order confirms it is a tributary of the Grand River, which is itself a tributary of the Missouri River, one of the longest rivers in North America and a waterway that communities, farmers, and ecosystems depend on across multiple states. Every pollutant that entered High Bank Creek from the Maher facility traveled downstream into that broader system.
The contamination profile documented by EPA sampling in June 2023 is a textbook nutrient pollution event. Elevated ammonia depletes dissolved oxygen in waterways, triggering dead zones where aquatic life cannot survive. Elevated phosphorus causes algal blooms that block sunlight and further suffocate aquatic ecosystems. Elevated total nitrogen compounds the same effects. E. coli signals the direct presence of fecal matter in the water. All four categories exceeded federal Water Quality Standards, measured across six downstream sampling locations.
The physical damage to the creek’s banks is separately documented. The EPA’s remediation order requires the Mahers to remove the yearling pen built over the creek, regrade the banks for stabilization, and seed native vegetation to achieve 80% cover following conservation standards. That remediation order exists because the banks were demonstrably destabilized by the operation. Cattle standing in and around a waterway compact soil, destroy root systems, and erode banks. The order acknowledges that damage has already occurred and requires active reconstruction of what was destroyed.
Public Health
E. coli contamination in surface water is a direct public health threat. Exposure through contact with contaminated water, or through consumption of food or drinking water sourced downstream, can cause severe gastrointestinal illness, kidney failure in vulnerable populations, and death in extreme cases. The EPA confirmed that E. coli levels exceeded Water Quality Standards at multiple downstream points from the Maher facility.
The facility sits on the Standing Rock Reservation, a community that has faced documented water infrastructure challenges and where access to clean, uncontaminated surface water carries particular importance. The Mahers’ failure to obtain an NPDES permit means there was no regulatory body receiving discharge data, no required monitoring of downstream water quality, and no public notification system for the communities living and farming along High Bank Creek, the Grand River, or the Missouri River’s upper reaches during the years this operation ran without authorization.
The lack of land application records until at least Fall 2022 adds a second, ground-level health vector. Manure applied to land at rates exceeding agronomic limits leaches nitrates into groundwater. Nitrate contamination in drinking water causes methemoglobinemia, commonly known as “blue baby syndrome,” in infants, and carries risks for adults with compromised health. Without records, the cumulative nitrate loading to the surrounding land and water table during the years before Fall 2022 cannot be calculated or remediated with any precision.
Economic Inequality
The Maher Cattle Company operated a facility with capacity for 12,000 head of cattle. At standard cattle industry values, a single market-weight steer represents roughly $1,500 to $2,000 in commodity value. A fully stocked operation at 12,000 head represents assets in the range of $18 million to $24 million ($18 million, more than 300 average American workers earn in an entire year). That scale of operation carries substantial financial resources, legal counsel, and political access. The community downstream does not.
The legal penalty structure underscores the power imbalance. The Clean Water Act authorizes civil penalties of up to $66,712 per day per violation ($66,712 per day, enough to cover a full year of federal minimum-wage income for three workers, assessed every single day). The EPA’s response was an administrative compliance order, not a penalty action. The order explicitly preserves the right to pursue civil or criminal penalties in a future action, but the document itself imposes zero financial consequences for the years of unpermitted discharge already documented.
Large agricultural operations routinely externalize environmental costs onto the communities nearest to them. Those communities are disproportionately low-income, rural, and, as in this case, Indigenous. The Standing Rock Reservation absorbed the downstream effects of a profit-generating operation that should have been permitted, monitored, and held financially accountable before a single cow entered those pens. The compliance order asks the Mahers to fix their infrastructure. It does not ask them to compensate the communities or ecosystems that bore the cost of their years of non-compliance.
Six Sampling Points. All Downstream. All Contaminated.
EPA sampling from June 27, 2023 showed increasing contamination trends at each successive downstream sampling location. The following chart visualizes the confirmed violations of EPA Water Quality Standards, based on the agency’s documented findings.
The “Cost of a Life” Metric
Maximum daily civil penalty authorized per violation under the Clean Water Act, as cited by the EPA in this compliance order for violations occurring after November 2, 2015.
That is $66,712 per day, enough to pay a year’s worth of federal minimum-wage income for three full-time workers, assessed every single day the violations continued. No penalty has been publicly announced in this order.
The compliance order preserves the EPA’s right to pursue full civil or criminal penalties in a separate action. But the order itself, as issued, carries no fine. The facility gets a to-do list and a set of deadlines. The creek gets whatever the remediation plan manages to undo.
What Now? Who to Watch and What to Do
The People Responsible
- Patrick Maher — Named respondent; owner and/or operator of Maher Cattle Company, LLC.
- James Maher — Named respondent; owner and/or operator of Maher Cattle Company, LLC.
- Maher Cattle Company, LLC — Corporate entity operating the Large CAFO at 13031 248th Avenue, Timber Lake, South Dakota.
The Regulatory Bodies Watching This
- U.S. EPA Region 8 — Issued this compliance order and retains authority to pursue additional civil or criminal penalties. Contact: meyers.stephanie@epa.gov.
- Standing Rock Sioux Tribe — The facility sits within the exterior boundaries of the Standing Rock Reservation. Tribal government and environmental departments have standing interest in this matter.
- Natural Resources Conservation Service (NRCS) — Referenced in the compliance order as the body whose conservation practice standards the Mahers are required to follow during remediation. NRCS Field Offices can be contacted to confirm compliance progress.
- U.S. Army Corps of Engineers — Holds authority over any work in or near waters of the United States under Section 404 of the Clean Water Act; the compliance order requires Maher to consult the Corps for any permitted work.
What You Can Actually Do
File a public comment with EPA Region 8 demanding civil penalty proceedings separate from this compliance order. Contact the Standing Rock Sioux Tribe’s environmental department to ask what additional monitoring is being conducted on High Bank Creek and the Grand River downstream of this facility. Support organizations doing water quality monitoring and Indigenous land defense work in the Great Plains, including tribal environmental programs and local watershed coalitions. Document your own water quality concerns using citizen science platforms and share findings publicly. Regulatory agencies respond to volume; public pressure is a resource, and it costs nothing to use it.
The source document for this investigation is attached below.
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