NEW YORK (TheStreet) -- Shares of Goldcorp (GG) were dropping in early-afternoon trading on Wednesday as the gold mining company is struggling with a leak at a Mexican mine, Reuters reports.

Mexican regulators said they are looking into whether the company broke any regulations in how it handled a long-running leak of contaminated water at Mexico's largest gold mine.

Goldcorp data showed that levels of the mineral selenium increased in one groundwater monitoring well close to the company's Penasquito mine as early as October 2013, Reuters noted.

The Vancouver-based miner reported a rise in selenium levels in groundwater to the Mexican government in October 2014.

Afterward, the contamination close to the mine waste facility grew, according to documents and interviews with government officials conducted by Reuters.

Two weeks ago, Goldcorp told Mexican regulators that contaminated water was also seen in other areas of its property.

The company and regulators say there is no evidence that the leaks have prompted environmental damage or endangered public health, Reuters added.

Additionally, gold prices are lower today. For December delivery, gold was falling 1.23% to $1,329.50 per ounce on the COMEX early this afternoon.

Separately, TheStreet Ratings Team has a "Hold" rating with a score of C- on the stock.

The primary factors that have impacted the rating are mixed. The company's strengths can be seen in multiple areas, such as its solid stock price performance and largely solid financial position with reasonable debt levels by most measures.

But the team also finds weaknesses including disappointing return on equity, poor profit margins and weak operating cash flow.

Recently, TheStreet Ratings objectively rated this stock according to its "risk-adjusted" total return prospect over a 12-month investment horizon. Not based on the news in any given day, the rating may differ from Jim Cramer's view or that of this articles's author.

You can view the full analysis from the report here: GG

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