Tetra Tech (Nasdaq: TTEK) is expected to report Q2 earnings on May 1. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Tetra Tech's revenues will grow 11.6% and EPS will increase 14.3%.

The average estimate for revenue is $532.4 million. On the bottom line, the average EPS estimate is $0.40.

Revenue details
 Last quarter, Tetra Tech reported revenue of $497.2 million. GAAP reported sales were 3.5% lower than the prior-year quarter's $682.6 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, EPS came in at $0.41. GAAP EPS of $0.41 for Q1 were 14% higher than the prior-year quarter's $0.36 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 13.4%, 100 basis points better than the prior-year quarter. Operating margin was 6.3%, 100 basis points better than the prior-year quarter. Net margin was 4.0%, 70 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $2.20 billion. The average EPS estimate is $1.70.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 392 members out of 403 rating the stock outperform, and 11 members rating it underperform. Among 85 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 83 give Tetra Tech a green thumbs-up, and two give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Tetra Tech is outperform, with an average price target of $32.10.

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